What is the percent of change when 40 is increased to 83

Last week jackson babysits 1 1/2 times as many hours as he babysat this week. last week jackson babysat 12 hours. how many hours did he babysit this week?

A box has the shape of a right prism with a regular hexagon for its base. The sides in the base are 10cm long. The box is 20cm high and the area of the base is 520cm squared.

State whether set A and B are equal, equivalent, both, or neither. A = {9, 8, 7} B = {8, 9, 10}

What is the hydrogen ion concentration of orange juice that has a pH of 1?

7. Andre is planting saplings (baby trees). It takes him 30 minutes to plant 3 saplings takes the same amount of time to plant how long will it take Andre to plant 14 saplings? If you get stuck consider using the table.

The length of a rectangle is 5m more than twice the width, and the area of the rectangle is 63m2. find the dimensions of the rectangle.

What is the domain of the relation (-2,4) (1,3) (0,-4) (3,2)

The Ferrels save $150 each month for their next summer vacation. Write an equation that they can use to find s, their savings, after m months.

A train traveling 50 mph left a station 30 minutes before a second train running at 55 mph. If 55x represents the distance the faster train travels, which of the following algebraic expressions represents the distance of the slower train? 50 (x + 0.

Solve for x: 5x+4=x+44