Find the measure of each angle in Triangle ABC.

m∠a = (40x-21) °

m∠b = (31-2x) °

m∠c = (x+14) °

Chocolate bars that normally cost 80 cents each were sold for 40 cents each during a sale. What is the percent decrease in price during the sale? A. 25% B. 30% C. 45% D. 50%

28 members; 50 percent increase

Adrianne, Julian, and two of their friends will sit in a row at a baseball game. If each friend is equally likely to sit in any seat, what is the probability that Adrianne will sit in the first seat and Julian will sit in the second seat?

Whats the difference of 89,24& 17

Lynn has one red, one blue, and one yellow shirt to choose from. She also has one blue and one yellow necklace to choose from. Lynn chooses a random shirt and necklace for work today. Are these events dependent or independent? Give a reason.

the jacksons, chens, and simms each went on vacation. the jackson drove 835 miles. the simms drove 947 miles and the chens drove 100 miles further than the jacksons which family drove the futhest on vacation?

2. Ike made the following long jumps: 12 feet, 14.5 feet, 16 feet, and 13.5 feet. What is the mean absolute! deviation of his four jumps? a. 5 ft c. 14 ft b. 4 ft d. 1.25 ft

7. Which method would be the most efficient to solve the system? y = 1/2x, 2x + 3y = 28 A) graphing B) substitution C) elimination D) distributive

Select all of the following that are quadratic equations. x2 - 2x = 4x + 1 x3 - 6x2 + 8 = 0 5x - 3 = 0 2x2 + 12x = 0 5x - 1 = 3x + 8 9x2 + 6x - 3 = 0

Ricky purchase Shoes for $159.95 and then exchanged them at a buy 1 get 1 half off sale. The shoes that he purchased on his return trip were $74.99 and $68.55. How much did he receive back from the store after his second transaction?