What is the variable in the expression, 12x+7-13x+4?

A pitcher is full of lemonade. Which unit of liquid volume best describes the amount of lemonade in the pitcher? Explain.

Convert 30 feet per second to miles per minute. 5280 ft = 1 mi Round to the nearest hundredth.

Find the radius of a circle with a circumference of 59 yards. Round your answer to the nearest hundredth of a yard.

Make a ten or a hundred to add mentally. 198 + 132 1,274 + 3,599

Bob takes a loan of 7,000 on 5% interest rate for 5 years

Claire wants to place a mirror that is 1812 inches wide in the center of a wall that is 31 inches wide. How far from each corner should she place the mirror for it to be centered.

Three times the sum of a number and three

18. What value of b will make the equation have no solution? 6x + 4 = 4bx - 2

A circle has a sector with are of (17/2) pi and a central angle of (17/90) pi radians. What is the area of the circle? Either enter an exact answer in terms of pi or use 3.14 pi and enter your answer as a decimal.

Luke has $5 more than sam. together they have $73. how much does each have