Find the amount of work W done by a force F = 115i +350j in moving an object in a straight line given by the displacement vector D = -13i+15j.

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.

What are “like terms”? why can we only add like terms?

Simplify the expression. -2/5(10+15m-20n)