8 increased by three times a number

A rectangular lawn measuring 8m by 4m is surrounded by a flower bed of uniform width.

Tyler had 2 7/16 yards of fabric. He used 3/4 yard to make a vest about how much fabric did he have left?

A table of values of a linear function is shown below. Find the output when the input is n. input 1 2 3 4 n output - 4 0 4 8?

Two passenger trains traveling in opposite directions meet and pass each other. Each train is 1/12 miles long and is traveling 50 mph. How many seconds after the front cars of the trains meet will their rear cars pass each other?

Frankie has 5 red marbles, 16 black marbles 3 green miniature balls and 9 yellow miniature balls in a jar at his house. What is the ratio on the number of the minimum balls to the number of black marbles in the jars

1. Solve w2 + 13w + 42 = 0 by factoring.

Convert the following logarithmic equation to the equivalent exponential equation. Use the caret (^) to enter exponents. y=ln x

It is known that x=7 is a root of the equation ax^2 + bx + 2 = 0, where a<0. Solve the inequality ax²4 + bx^2 + 2>0.

Which ordered pair is a solution of the equation? X+7y=17 Answer Choices A. Only (10,1) B. Only (-4,3) C. Both (10,1) and (-4,3)

A high school play cost an up front $30,000 to produce, plus an additional cost as of $1000 for each perfromance. Every sold out performance of the of thr play brings in $2500 of revenue to the school.