Atriangle has sides of length 10, 8, and y inches. which is an expression for the perimeter of the triangle and what is the perimeter when y=7? a) 8(10+y) the perimeter is 136 inches when y=7. b) 10(y+8) the perimeter is 150 inches when y=7. c) y(10+8) the perimeter is 126 inches when y=7. (or) d) y+10+8 the perimeter is 25 inches when y=7.

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?