Multiple Choice In Mr. Mamer's math class, there are three times as many girls as boys. The girls' mean grade on a recent quiz was 90, and the boys' mean grade was 86. What was the mean grade for the entire class?

F. 88

G. 44

H. 89

J. 95

A car used 25 gallons of gasoline and traveled a total distance of 350 miles. The car's fuel efficiency is 25 miles per gallon on the highway and 20 miles per gallon in the city.

What is the 10th term of the sequence 81 27 9

Dad is 4 times as old as his son Jim. In 10 years, Dad's age will be 20 years more than twice Jim's age. How old is Jim? If D = dad's age now and J = Jim's age now, which of the following systems could be used to solve the problem? a.

What is the highest common factor of 200 and 240

Suppose a triangle has two sides of length 42 and 35, and that the angle between these two sides is 120 degrees. What is the length of the third side of the triangle?

Work out the number that is halfway between 27 times 38 and 33 times 37

Math mystery: Case of the rouge runner clue 3

If the first step in the equation 2x-8=5x+3 is "subtract 2x," then in the form of a paragraph explain in complete sentences the next steps necessary to completely solve the equation for x.

A coffee shop surveyed three groups of 5 customers to find out how many cups of coffee the customers drink in one day. The table shows the results of the three samples.

Rachel told mariana that if she rolls two number cubes 100 times she will never get a product of 23 mariana toldbher that she cant be sure. whos right? explain