If ∠A and ∠B are complementary angles, and ∠A = 22°, find ∠B.

A. 60°

B. 68°

C. 74°

D. 80°

Which two properties can you use to find (3.4*4) * (25*1) mmentally. Explain. Remember that the parentheses tell you which factors to multiplay first.

Rewrite 0.8 as a fraction in simplest form.

Bonita Industries produces a product that requires 2.5 pounds of materials per unit. The allowance for waste and spoilage per unit is 0.5 pounds and 0.1 pounds, respectively. The purchase price is $2 per pound, but a 2% discount is usually taken.

How many numbers greater than 150 can be formed from the digits 1,2,3,4,5 if no repetition is allowed

Luz earns $400 for 40 hours of work. Use a ratio table to determine hiw much she earbs for 6 hours of work?

Evaluate the expression when m=6 and n=33. n-5m=

Find the difference (2ab+7a+1) - (8ab+9)

In the first session 40 student attended. Of these 40 students 60% were girls. How many girls attended the first session of swimming lessons?

About 70% of Earth's surface is covered by water. If the diameter of earth is about 12,750km, find the area not covered by water to the nearest 100,000km^2.

864 area length is 2/3 of width, what is length?