What type of angle has a measure of 90°

Winter clothing is on sale for 20 percent off. Write an expression to represent the total sale cost of a piece of winter clothing that originally costs $d?

A shoe factory produces 345 pairs of shoes in one week and 354 pairs the next week. if 673 pairs were delivered to a department store, how many pairs were not delivered?

X-9=o what is it guys

What is 3000000 as 10 raised to a power.

The formula for the area of a trapezoid is a=1/2h (b+b) express b in terms a, h, and b2

Facto made chicken dish for dinner. She added a 10-ounce package of vegetables and 14-ounce package of rice to 40 ounces of chicken. What total weight of the chicken dish in pounds?

How do you add and subtract decimals as easily as you do whole numbers?

Whar is the value of x (x+1) + (2x-15)

Expand then simplify 2 (x-5) + 2x

A set of speakers costs $22 and songs cost $1.25 each. The sales tax rate is 7.5%. The expression 0.075 (22 + 1.25s) can be used to determine the amount of sales tax due on the entire purchase.