Jamal scored 62, 75, 76 and 90 on four tests. What does he need to score on the fifth test to have a MEAN of exactly 80? A.80
B.100
C.93
D.97

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters

Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 3 years, how much interest will ana have earned on her savings account?