Does one diagonal always the perpendicular bisector of the other

Alicia uses 3/4 gallon of paint to paint her room. Becca ses 4/5 gallon more than Alicia to paint her room. how many gallons of paint do they use altogether.

Seven more than the quotient of a number and 2 is 10

Ivan, Bella, and Ian agreed to share a pizza which was cut into 10 slices. Ivan ate 40%, percent of the pizza. How many slices did he eat?

Pedro bought 7 tickets to a basketball game. He paid a total of $154. Enter an equation, using x as your variable, to determine whether each ticket cost $22 or $25. Then enter the cost of the ticket.

48 + [ (96 : 8) * 5] - 42.

Solve the equation cot 2x + cot x = 3

Whats the quotient of 8453 and 35?

which shape had a larger area: a rectangle that is 7 inches by 3/4 inch, or a square with side length of 2.5 inches? Show your reasoning.

A manufacturer of golf clubs makes a profit of $50 per set on a model A set and $55 per set on a model B set.

Evaluate the expression. 92-14⋅12 Enter your answer as a number, like this: 42