A children's book has dimensions 20 cm by 24 cm.

What scale factor should be used to make an enlarged version that has dimensions 25 cm by 30 cm?

A. 5

B. 1.5

C. 1.25

D. 0.8

How much is three half's plus one fifth

Multistep A museum groundskeeper is creating a semicircular statuary garden with a diameter of 30 feet. There will be a fence around the arden. The fencing costs per linear foot. About how much will the $9.25 fencing cost altogether?

If Jody has a 5 pound bag of potatoes she uses 1/5 of the bag how much does she have left

A map distance of 5 inches represents 200 miles of actual distance. Suppose the distance between two cities on the map is 7 inches. What is the actual distance between the two cities? Write the rule you used to find the actual distance.

Expand and simplify this expression 3 (x-4) - 2 (x 5)

If y = 7.2 when x = 10, what is the value of x when y = 20? (y varies inversely as the square of x.) A. 14.4 B. 6 C. 10 D. 20

If sally has 8 dog and lost 2, how many does she have left?

Consider the equation 4+2 (5x-8) = ax+b for what values of a and b would the equation have infinitely many solutions

Find cos a and cot b exactly if a = 15 and b = 11.

2) Sarah is trying to raise $240 for a school trip. She has already raised 25% of the money. How much money does Sarah still need to raise?