The ratio of girls to boys who participated in the quiz bowl was 7:5. There were 42 girls in the competition. How many bous participated?

36/48 to it lowest terms

A swimmer swam the 50-meter freestyle in a time of 21 seconds. What was his speed to the nearest tenth of a meter per second? A. o. 4 B. 2.4 C. 23.8 d. 29.0

Let A be a set with a partial order R. For each a∈A, let Sa = {x∈A: xRa}. Let F={Sa: a∈A}. Then F is a subset of P (A) and thus may be partially ordered by ⊆, inclusion. a) Show that if aRb, then Sa ⊆ Sb. b) Show that if Sa ⊆ Sa, then aRb.

14. Solve: 3x² + 5x - 12 = 0 B. 4-3 C. 8, - 18

Lisa had 1,750 stamps. Minah had 480 stamps fewer stamps than lisa. Lisa gave some stamps to Minah. Now, Minah has 3 times as many stamps as lisa. How many stamps did minah have at first?

If you have 50 red bead 50 blue beads 50 green beads what I'd the probability that will be blue

13. On a camping trip, you decide to hang your backpack from a rope stretched between two trees, so bears can't steal your food while you sleep. The trees are 20 feet apart, and the rope is tied to each tree at a spot 12 feet above the ground.

What is 6 and 1/5 - 2and 1/3

Starting from rest the motor boat travels around the circular path (radius of curvature = 40 m), at a speed (v = 0.8 t m/s), where (t) is in seconds. The magnitude of the boat's velocity when it has traveled 20 m is

Insert commas in the correct positions for the number3790241068