- Match each equation with an equivalent equation. Some of the answer choices are not used.
A. 3x + 6 = 4x + 7
1.9x = 4x + 7
B. 3(x + 6) = 4x +7
2. 3x + 18 = 4x + 7
C. 4x + 3x = 7-6
3. 3x = 4x + 7
4. 3x - 1 = 4x
5. 7x = 1

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Acourgette seed and a pumpkin seed is planted p(courgette seed germinates) 4/5 and p(pumpkin seed germinates) = 1/6 what is the probability that both seds germinate

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?