What system of equations would you use to solve the problem below? A test is worth 30 points. Multiple-choice questions are worth 1 point and
short-answer questions are worth 2 points. If the test has 20 questions, how
many multiple-choice questions are there?
A. m + s = 30
m + 2s = 20
B. m + s = 20
m + 2s = 30
C. m. s= 20
m 2s = 30
D. m + s = 3
m+2s = 50

Sam makes his sales calls according to a pattern. he travels either north or south depending on the calendar. some of his past trips were as follows: on february 17, april 24, june 10, september 19, and november 3 he drove north. on february 28, may 25, august 22, november 20, and december 18, he drove south. describe sams' pattern. in which direction will sam drive on oct4 and oct 24?

One positive number is 9 more than twice another. if their product is 95, find the numbers

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?