A yard measures 42 feet on two sides and 85 feet on the other two sides. What is the perimeter of the yard?

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?