Which of the following represents a function?

A) { (3,5), (-1,7), (3,9) }

B) { (1,2), (3,2), (5,7) }

C) { (1,2), (1,4), (1,6) }

Sandy bought a shirt on sale for 20% off. She paid $50 for the shirt which included a tax of $5. How much was the original price of the shirt?

Manu randomly selected 20/%20%20, percent of basketball players in his town and asked them their favorite team. Of the basketball players surveyed, 212121 chose the Wildcats as their favorite team.

In a triangle whose perimeter is 52cm, the length of the longest side is 2cm less than the sum of the lengths of the other two sides. the difference between the length of the longest side and twice the length of the shortest side is 3 cm.

Ramon earns $1,825 each month and pays $53.20 on electricity. To the nearest tenth of a percent, what percent of Ramon's earnings are spent on electricity each month?

Given tan ⁡ A = - 12/35 and that angle A is in Quadrant IV, find the exact value of sinA in simplest radical form using a rational denominator.

A rectangle is 2/5 inches long and 1/3 inches wide

Afarmhouse has 19 animals. some are chicken some are pigs. Altogether, there are 50 legs. How many of each animal are there?

X+9.8=14.2 what does x equal

Name the multiplication property shown the equation 12 times m = m times 12

Using the results from the table, predict the number of times a 3 would be rolled in 400 trials. Number Rolled 1 2 3 4 5 6 Number of Rolls 13 12 12 14 11 18