What goes in for blank? - 9/10 + 3/5 - 9/10 + (blank) = - 1 4/5

Prove that, in a right triangle with a 15° angle, the altitude to the hypotenuse is one fourth of the hypotenuse (without using trigonometric functions).

Jon has 12 pennies. lucy has 17 pennies. how many more pennies do they need to have 75 pennies altogether.

The price of an item has been reduced by 65%. the original price was $15

In the equation 3x = 12 what step isolates the variable? A. Divide by sides by 3 B. Multiply both sides by 3 C. Add 3 to both sides D. Subtract 3 from both sides

Maria can clean the entire house in two hours. Her sister, Sasha, can clean the house in three hours. How long would it take for two of them to do the job together?

Jackson owes his sister Monica $15. Explain the meaning of zero in this situatio.

Why are line extensions more common than new products? a) They are higher risk and more expensive. b) They are guaranteed to succeed in the marketplace. c) They are less expensive and lower-risk. d) They require no market research.

what are three ordered pairs that have a proportional relationship

Lindsey made 400 tarts. She sold 3/5 of them in the morning and 1/4 of the remainder in the afternoon. How many tarts did she sell in the afternoon?

How much larger is the 9 in 92,026 than 954?