Mudrik installed a device on his car that guaranteed to increase his gas mileage by 10%. the gas mileage increased by 3 miles per gallon after installing the device. how many miles per gallon did he get before the device was installed?

Which of those sequences is a geometric sequence

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

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