An ice cream machine produced 44 ice creams per minute. After reconditioning, its speed increased to 55 ice creams per minute. By what percent did the speed of the machine increase?

Two groups collect litter along the side of a road. It takes each group 5 minutes to clean up a 200-yard section. How long does it take to clean up 2 miles? Explain how you solved the problem.

What is the solution to the equation 5 + 10x = 50? x = 1.5 x = 4.5 x = 5.5 x = 6.5

If the temperature in Minneapolis was - 20℉ and then dropped to - 25℉, what was the change in temperature?

Describe the two possible ways to use the angle of depression that is outside a right triangle to find the measure of an angle inside the triangle?

The length of a rectangle is twelve inches more than its width. The perimeter of the rectangle is 276 inches. What are the dimensions of the rectangle?

A researcher conducts a hypothesis test on a population proportion. Her null and alternative hypothesis are H0 : p = 0.4 and Ha : p < 0.4. The test statistic and p-value for the test are z = - 3.01 and p-value = 0.0013.

How do I solve (-2-6i) (1 + i)

I'm a election 4713 people voted candidate B received 2 thirds of the votes. How many votes did candidate b receive

A car can travel 476 miles on 14 gallons of gas. Write an equation relating to the distance d to the number of gallons g. How many gallons of gas first this car need to travel 578 miles?

What is the volume of a cereal box that is 2 inches thick, 12 inches high and 10 inches wide? A) 24 cubic inches B) 72 cubic inches C) 120 cubic inches D) 240 cubic inches