Perform the operation.

(4.2? + 8) + (-8.02 – 50 + 2)

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.

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Divide. write in the simplest form. 4 1/6 divided by 10