Use the recursive formula to answer the question.
a1 = 12
an = an-1 +4
what is the 7th term in the sequence?

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

Plz hurry evaluate the expression a+b where a=8 and b=19

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?