13.

If the temperature drops from 35°F

to - 12°F, how many degrees did it

change?

A vegetable garden is in the shape of a parallelogram with the dimensions shown. How many feet of fencing are needed to enclose the garden? A (4r-2) ft B (3r + 8) A O 54 feet 68 feet O 108 feet 140 feet (2r + 12 A

A triangle has sides with lengths of 10 metres, 16 metres and 20 metres. Is it a right angled triangle? Explain your reasoning.

Find the indicated probability. If P (B) = 0.5, P (A or B) = 0.3, and P (A and B) = 0.6, find P (A) =

Joshua and his four friends have 1/2 pakage of a crackers. How many pakages of crackers do they have in all

Amy bought 4 T-shirts and used a $10 coupon to reduce the total. If (p) equals the price of one T-shirt, write an expression to show the amount Amy paid.

91 boxes of apples hold a total of 2,605. Assuming each box has about the same number of apples, estimate of apples in each box.

Compare 1 out of 3 and 3 out of 10. Are these values equal?

Bob won big at bingo last night, he walked away with $800. The first thing Bob does is to take a cab to his mother's house. He gives the cab driver $20 and tells him to keep the change.

A local company wants to evaluate their quality of service by surveying their customers. Their budget limits the number of surveys to 100.

Select the correct numeral form of this number written in scientific notation. 5.0 * 10^10 0.000 000 000 5 5,000,000,000 50,000,000,000 500,000,000,000