List 3 ways you can use an answer key effectively

A photograph has a length that is 6 inches longer than its width, x. So its area is given by the expression x (x+6) square inches. If the area of the photograph is 112 square inches, what is the width of the photograph?

The measure of one of the acute angles in a right triangle is given. What is the measure of the other acute angle? 1. 63.7 2. x degrees 3. (48 2/5)

Which two dimensional shape can be rotated about the y axis to create a cone?

Grapes cost £2 per kilogram. Calculate the cost of 380 g of grapes.

Use a calculator to express tan (18) as a decimal rounded to the nearest hundredth. O 0.3249 0.32 0.324 0.325

What is the slope of the line with equation y-3=-1/2 (x-2)

Students are knitting carves for fundraiser. Elaine can knit 4 scarves in 20 days. Mario can knit 2 more scarves than Elaine can in 40 days. What difference in the time it takes each of them to knit a scarf?

Williams is six years younger than three times Alex's age Williams is 33 years old how old is Alex A 9 years old B 13 years old c 18 years old D 27 years old

2 gallons divided by 7 people

Keela can read 2/7 of a book in 3/4 of an hour. How long will it take her to read one full book