Marco has a bag of 50 colored marbles. there are 12 blue marbles, 18 black marbles, and 20 red marbles. what is the ratio of the numbers of black marbles to the number of blue marbles

James has a job analyzing page layouts. He often needs to measure the sizes of letters printed on a page. Which of the following units would likely make James's measurements easiest to read? a. feet b. kilometers c. inches d. millimeters

Which of these is equivalent to the given angle? A) 6π rad Eliminate B) 3π rad C) π 6 rad D) π 3

Four plumbers each charge a flat fee plus an hourly rate for repair visits. The table shows their total costs for repairs that required various amounts of time.

What numbers multiply to - 135 and add to 22?

A=20 find the volume round to the nearest 10th

What is the answer to 2 (3.14) (2) ?

Mary walked 23.61 miles this month. That is 8.625 more miles than she walked last month. What is the total number of miles she walked in both months?

2x + y = 10 -4x + 5y = 22

How is multiplying 0.3 by 10 like multiplying 0.3 by 0.01? how is it different?

Long division with 489