To calculate 31^2, Emily mentally figures the value 30^2 and adds 61. Emily subtracts a number from 30^2 to calculate 29^2. What number does she subtract?

in the past year Rita watch 14 movies that he thought were very good he wants 20 movies over the whole year of the movie she watched what percentage did she think we're very good

What value of x makes the equation true? 3 (x - 4) = 15 a - 1 b 1 c 7 d 9

What is the sum of (w-3) and (2w+2)

Find the circumference and area r = 5 m

Draw and write the correct expression for the sum of 7 fifteens and 38 fifteens

How to find the mean of percentages

Suppose f (x) = x^2 and g (x) = (2x) ^2. Which statement best compares te graph of g (x) with the graph of f (x) ? A. The graph of g (x) is horizontally compressed by a factor of 2. B. The graph of g (x) is horizontally stretched by a factor of 2. C.

Solve for x: 5x-2x=7x+2x-24

Lydia buys 5 pounds of apples and 3 pounds of bananas for a total of $8.50. Ari buys 3 pounds of apples and 2 pounds of bananas for a total of $5.25. This system pound of apples, and y is the cost per pound of bananas.

What is the value of b if 9 + b = - 8