The difference between the mother's age and the daughter's age is 21 years and the twelfth part of the product of their ages is iess than the mother's age by 18years. Find their ages?​

In a circle, a 45° sector has an area of 32π cm2. what is the radius of this circle? 32 cm 12 cm 16 cm 8 cm

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers