A spherical balloon has a circumference of 21 cm. What is the approximate surface area of the balloon to the nearest square inch?

What ordered pair is a solution of 5x-2y=18

3.84=3w What does w =

Yasmin determined that if ∠1 and ∠2 are supplementary angles, and m∠2 = 34°, then m∠1 = 146°. What type of reasoning did she use? inductive reasoning direct reasoning algebraic reasoning deductive reasoning

A pair of jeans is discounted for 30% off. What if the original price is $31.50, what is the discount?

Make y the subject of the formula x=a-2by^2

A colony of 40 bacteria doubles in size every 309 minutes. What will the population be 618 minutes from now?

The formula f = 1.8c + 32 allows you to find the Fahrenheit (f) temperature for a given Celsius (c) temperature solve the equation for c to produce a formula for finding the Celsius temperature for a given Fahrenheit temperature

What is the mean absolute deviation of this data set? 26, 31, 32, and 39

If you are going 100 mph how far will you go in 1 hr?

What is 171 : 3 in unite rate