Solve the system using substitution.

x+y=8

y=3x

A. (4,12)

B. (2,6)

C. (1/2,3/2)

D. (-4,-12)

A pentagon has angle measures of 12x°, 7x°, 16x°, 9xº, and 10x°. Find the value of x.

Given the linear equation 2x + 4y - 8 = 0. State the ... - slope - y-intercept - x-intercept

A number cube has faces labeled 1 through 6. what is the probability rolling a 7

Find the product: (they're fractions) (1/2) (3/4)

How to do literal equations 7x-y=14 solve for x

Find m B. Note that m B is acute. Round to the nearest degree.

The sum of a number times 6 and 16 is greater than 22

How many permutations are there of the letters in the word surprise?

Find the x - and y - intercept of the graph of the equation 3x + 4y = 24

Emma and her friends arrive in Langdale and decided to go for a coffee the owner of the cafe is giving a free cupcake to every 4th customers Emma is the 17th customer will she receive a free cupcake?