Dalton estimated the area of a circle with a diameter of 12 inches as shown below. A = r2
A = 3(12)
A = 3(144)
A = 432 in.2
Which of the following statements about Dalton's work is NOT true?
FHe squared 12 correctly.
G. He used an appropriate value for i.
H. He used an appropriate value for r.
I. He multiplied 3 and 144 correctly.

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

Ican interpret and represent the remainder in division calculations sensibly for the context (eg 27.4 in calculating average height in cm: $27.44 if it represents an amount of money) solve the following problems. 15) the wildlife park charges $25.50 dollars per person to enter their park if the park made $15096 dollars today, how many people entered the park? 16) ms adams plus 2,230 other keen runners ran a marathon: between them they ran 94817.5km. how many km did each competitor run?