Solve the following system of equations using substitution.

u = 6 + t

36 = 2t + u

A. t = 10, u = 16

B. t = 10, u = 4

C. t = 14, u = 20

D. t = 16, u = 22

Which situations can be represented by a linear function? Select each correct answer. Every day, the number of bacteria in the dish is 3 times what it was the previous day. Every year, Luisa puts $10 into her savings account.

Allison is preparing her applications for college. She will apply to three community colleges and has to fill out four parts to each of those applications. She will apply to three four-year schools, each of which has a seven -part application.

X + 4 (x + 5) = 40 answer this

It took Ellen 6 hours to ride her bike a total distance of 120 miles. For the first part of the trip, her speed was constantly 25 miles per hour. For the second part of her trip, her speed was constantly 15 miles per hour.

DeMarkus says that a store overcharged him on the price of the video game he bought. He thought that the price was marked 1/4 of the original price, but was really 1/4 off the original price of the game was $48, what is the difference between the

Solve this (6 + 5) + 65

A is a horizontal bar used in mathematical notation; in fractions it is the bar that separates the numerator from the denominator, in repeating decimals it indicates a group of repeating numbers.

The Jayden family eats at a restaurant that is having a 15% discount promotion. Their meal costs $78.58 before the discount, and they leave a 20% tip.

Angle θ is in standard position. if sin (θ) = - 1/3, and π < θ < 3π/2, find cos (θ). A. - (2√2) / 3 B. 4/3 C. 2√2/3

The box plot represents the number of hours of battery life in different cell phone what is the maximum battery life 30hours 23hours 27hours 18hours