Estimate the amount of the tip by rounding the bill to the nearest dollar before calculating. 20% tip on a bill of $61.67 The amount of the tip is approximate $ .

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.

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the