Simplify the expression. 3xy – 2xy – 5 + 7 + xy

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.

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2