A 15-foot ladder must make an angle of 30° with the ground if it is to reach a certain window. What angle must a 20-foot ladder make with the ground to reach the same window?

a. 22 degrees

b. 38 degrees

c. 42 degrees

d. 48 degrees

12 is 5% of what number

Factor the expression over the complex numbers. x2+18 Enter your answer in the box.

Which expressions are equivalent to the one below? Check all that apply 64^x A. 8^2*8^x B. (8*8) ^x C. 8*8^2x D. 8*8^x E. 8^2x F. 8^x*8^x

3p-1=5 (p-1) - 2 (7-2p)

What is 2675 divided by 44

5x + 14 = k solve for x

A person has 22 coins, all nickels and dimes, worth one dollar and 40 cents. If n is the number of nickels and d is the number of dimes, which system of equations could represent this problem? n+d=1.40 0.05n+0.1d=22 n+d=22 n+d=1.40 n+d=22 0.05n+0.

Katrina is building a deck. She cuts 3 lengths of wood from a 72-inch board. The first length is inches. The second length is inches. And the third length is inches. How much of the original board remains after Katrina makes her cuts?

Write an expression that shows how to multiply 7*256 using the Distributive property.

The high temperature was 92°F. This was 24°F higher than the overnight low temperature. Write an equation to determine whether the low temperature was 62°F or 68°F. (number 16 and if possible number 17)