Determine whether △DEF ≅ △PQR given the coordinates of the vertices. Hint: Use the distance formula. D(–7, –3), E(–4, –1), F(–2, –5), P(2, –2), Q(5, –4), R(0, –5).

a
Congruent
b
Not Congruent

Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?

The mass of a marine organism, in pounds, p years after it is born is given by the polynomial function r(p) = -4p2 + 300p. find the mass when p = 20 years.

The dance committee of pine bluff middle school earns $72 from a bake sale and will earn $4 for each ticket they sell to the spring fling dance. the dance will cost $400 write an inequality to determine the number, t of tickets the committee could sell to have money left over after they pay for this year's dance. what is the solution set of the inequality?