Since a hemisphere is half of the size of a sphere, then the surface area formula for a hemisphere is half of that of a sphere

Sphere: 4 (pie) (radius squared)

Hemisphere: 4 (pie) (radius squares) / 2

A. True

B. False

The table below shows values for a function x y 1 4 2 9 3 16 4 25 which equation represents the function? a y=x^2 by = x^2+1 cy = (x-1) ^2 dy = (x+1) ^2

W (x) = 4x+5, find w (-8)

Bob is trying to decide between two cell phone plans. Plan A has no flat fee, but the user must pay 10 cents per minute on the phone. Plan B requires a one-time fee of $20, but only requires a payment of 5 cents per minute on the phone.

The cost of 625 bolts is $100. What is the cost of 10 bolts?

What is the minimum number of significant figures required for a numerical answer to always meet a 1% tolerance level?

It coasts $86 to ride the train. Ms. Reilly took her 6th grade class on the train to the museum. There were 18 students from Ms. Reilly's class that went to the museum. How much did Ms. Reilly's class spend on the class and herself for the train?

What is the effect of g (x) = (x+8) ^3-2?

Compare the ruler you made to an inch ruler. Describe a how they are alike and how they are different

Solve the system of equations by elimination. x-4y=-31 -7x+6y=41

Between them, Terry and Shelley have 50 cassettes. If Shelley has more than two thirds as many cassettes as Terry, at least how many cassettes does Shelley have? At most how many does Terry have?