Simplify. 9y+11z+7y-4z

If 1in=50 miles how many miles is 8.5 in

frank, joe and carl went with their Grandma to the bakery. she said that they could use the change she got back to buy mini-chip cookies to share equally she bought a cake for $11 and 2 loaves of bread for $2.

15 = - 45 + 5n solve for n

The quadratic function y = - x2 + 10x - 8 models the height of a trestle on a bridge. The x-axis represents ground level. To find where the section of the bridge meets ground level, solve 0 = - x2 + 10x - 8.

Angelic found a job with an annual salary (yearly) of $ 85K. What is her monthly pay? What is her weekly pay?

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)

What is a expanded form of a numbre.

Roberto has run 16 of the 26.2 miles in a marathon. Rounded to the nearest whole number, what percent of the marathon has he completed?