28/21 = 42/x solve for x

A: 14

B: 18 2/3

C: 31 1/2

D: 56

i cant figure out what it is, and im slightly confused

Find the range for each set of data. 71, 53, 102, 69, 100, 68, 104, 92, 90, 120, 64, 120, 71, 89, 105, 110 66 67 91 89

you have 20 dollars and you would like to purchase a sweater that is on sale for 35 percent off the original price of the sweater is 29.50 can you afford to buy it on sale.

Ivan has six times as many blue beads is red beads he has 49 red and blue need to know how many blue beads does Ivan have

1.3 to the second power

What is 8/13 divided by (-4/3) in simplest form?

I would like to purchase 20 products at a cost of $65 per product. What would be my total with 3.5 sales tax

A bag contains white marbles and red marbles, 90 in total. The number of white marbles is 6 less than 5 times the number of red marbles. How many white marbles are there?

Solve  ABC given  C = 90, a = 88 cm, and c = 117 cm.

Julia, a 2-year-old girl, looks at her mother for cues when she is offered a toy by a neighbor, in order to decide whether to take it or not.

27 mm converted to in