On Serna's tenth birthday, her mom was 3 times Serena's age. How old will Serena and her mom be when her mom's age times 0.5 will equal Serena's age?

cos (x/5) sin (x/5) = 1/2[sin (2x/5) ] A. True B. False ... ?

Which of the following shows the Identity Property for Addition? A. 9 + (-9) = 0 B. 9 + 0 = 9 C. 9 = 9 D. 9 x 1 = 9

It costs $20 per hour to play pool and $3 for a cue stick rental. Write a verbal model and algebraic expressions to represent the cost for n hours of playing pool and identify the units for the expression

Each day, Maya eats 1/5 cup of melons in the morning and 1/5 cup of melons in the afternoon. How many days will it take Maya to eat 8 cups of melons? A 19 B 20 C 18

There are 232 calories in 8 ounces of yogurt how many calories are in 5 ounces of yogurt

The equation. 44. 1b = 28

If 30 is increased by 60%, what is the new amount?

Estimate the sum by first rounding each number to the nearest ten. 33 51 +79

0.59 divided by 2.419

If the power of a motor is 40kW, at what speed can it raise alad of 20000 N