Solve using the substitution method - 7x+y = 42 and 5x+13y = 66

Make an equivalent fraction 2/3=8

What's 95/300 in simplest form?

If 94,500 cubic feet of water is to be funneled into a rectangular tank with a floor that measures 25 feet by 90 feet, about how many feet deep will the water be?

Simply the expression (15a^2y^-3) ^4 (5ay^-2) ^-5

which expression is equal to 1/36? A 1/3 x 1/6 B 1/4 x (1/3) ^2 C (1/2) ^2 x (1/3) ^2 D 1/2 x 1/3 x 1/3 x 1/3

Solve the problem. Sergio's internet provider charges its customers $7 per month plus 3¢ per minute of on-line usage. Sergio received a bill from the provider covering a period and was charged a total of $28.70.

Two lines, parallel to the bases of a trapezoid divide each leg into three congruent parts and divide the trapezoid into three parts as well. Find the area of the middle part if the top and bottom parts have area S1 and S3.

Robin is making bows to sell at her mother's yard sale. She will use 3/4 foot of red ribbon and 2/3 foot of blue ribbon to make each bow. What is the ratio of the length of red ribbon to blue ribbon?

Explain why the polynomial 144x2 - 200x + 81 is not a perfect square. A. 81x ≠ 2 (20x ∙ 9) B. 144x ≠ 2 (20x ∙ 12) C. 200x ≠ 2 (9x ∙ 12) D200x ≠ 2 (12x ∙ 9)

Two factors of - 48 have a difference of 19. The factor with a greater absolute value is positive. What is the sum of the factors? a. - 19 b. - 13 c. 13 d. 16