Which equation has the solution x = 12?

(A

4x + 3 = 45

B

5x - 8 = 68

2x - 5=29

3x + 6=42

In a race that consisted of three parts, the cycling part was 12 1/2 miles long. The running part of the race was 1/4 the distamce pf the cycling part. The kayaking part of the race was 1/2 the distance of the running part.

Triangle QRS has the angle measures shown. m∠Q = (1x) ° m∠R = (3x) ° m∠S = (6x) ° The measure of the obtuse angle equals?

The sum of two numbers is 44. the smaller number is 20 less than the larger number. what are the numbers?

Triangle DEF is similar to triangle GHK. What is the value of DF if GK is 3.4 inches, EF is 2.25 inches, and HK is 9 inches?

True or False. One (six-sided) fair die is rolled, and one (two-sided) fair coin is tossed. If the coin turns up heads, then the number of spots showing on the die is the value (score) for that trial.

In a large casino, the house wins on one of its games with a probability of 50.6%. All bets are 1 :1. If you win, you gain the amount you bet; if you lose, you lose the amount you bet.

Polygon with all four sides equal but none of the angles are right angles what is this shape

Bob took a trip on his motorcycle. he averaged 55 miles per hour. how long did it take him to travel 605 miles?

3. Solve for x. Round your answer to 2 decimal places 4

A rate in which the two quantities are equal but different units is called a what