7. Apply the rules of order of operations to solve the following problem:
a. 52 - 6 * 7 = ?
b. 108 - 9 5 = ?
C. (54 + 42) + 12 =?
d. 183 – [(12 + 7) * 4] = ?
8. Chan wants to buy a used car that costs $8,500. He took out a loan f
and his payments are $209 per month for four years. At the end of fou
more than the car's original price will he have paid? (Remember, ther
one year.)
9. Linda commutes a total of 54 miles to and from work every day. Shen
good qas mileage is important to her. She's considering two modele 7

In tossing one coin 10 times, what are your chances for tossing a head? a tail? 2. in tossing one coin 100 times, what are your chances for tossing a head? a tail? 3. in tossing one coin 200 times, what are your chances for tossing a head? a tail? deviation = ((absolute value of the difference between expected heads and observed heads) + (absolute value of the difference between expected tails and observed tails)) divided by total number of tosses. this value should always be positive. 4. what is the deviation for 10 tosses? 5. what is the deviation for the 100 tosses? 6. what is the deviation for 200 tosses? 7. how does increasing the total number of coin tosses from 10 to 100 affect the deviation? 8. how does increasing the total number of tosses from 100 to 200 affect the deviation? 9. what two important probability principles were established in this exercise? 10. the percent of occurrence is the obtained results divided by the total tosses and multiplied by 100%. toss the coins 100 times and record your results. calculate the percent occurrence for each combination. percent head-head occurrence: percent tail-tail occurrence: percent head-tail occurrence:

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

Amniocentesis is a process in which amniotic fluid is taken from the mother's womb to identify any genetic abnormalities in the fetus. how would the discovery of the human genome contribute to this process?