given the coordinates for triangle PQR: P(5, -4), Q(-3, 7), R(0, 2) and triangle XYZ: X(-2, -1), Y(9, 7), Z(3, 2) determine whether they are congruent

He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?