Tom works for a manufacturing plant and makes $7.00 per hour last week he worked 49 hours. for the hours above 40 he receives time and a half what did he earn last week?

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.