Write the explicit formula for the sequence 11,7.3,-1,-5 ?
A. 3n-1
B. 3n + 8
C.-4n +7
D. -4n + 15

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

Which of the functions graphed below has a removable discontinuity?

Measure a and b and find their sum. how are the angles related?