Solve and show your work: What is the
formula for
average speed?
Joe and Barbara travel 156 miles to the airport. It takes them 2 hours to make
the drive. What is the speed they traveled on the highway?
HELP ME PLEASE!!

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?

Simplify this expression. 8x 16(x + y)