a rectangular whiteboard in the ckassroom is twice as long as it is high. its perimeter is 24 ft. what are the dimensions of the whiteboard

Jessie brought 3 t shirts for $6 each. And 4 t shirts for $5 each. What expression can you use to describe what Jessie bought?

If mQSR is 39°, what is the measure of arc QR?

What is 60% of 115 show your work

Calculate δe, if q = 0.764 kj and w = - 830 j. express your answer using two significant figures.

Determine which answer is reasonable to 4.8 times 9.2

The melt in your mouth chocolate factory is a rectangular building the Distance across the front of the store is 294 feet the distance from the front to the back is 1/3 of the of the distance if the old if the owner pains a sign all the way around

A polynomial is to be constructed that will touch the x axis at most 8 times. What is the minimum degree of the polynomial?

What is the simplest form of this expression? y^2 (-4y^2-7) - 2y^4

Can someone answer this question what is 1+1?

If sin tita = cos tita find tita between 0° and 30°