Which of the following describes a triangle?
a. one-dimensional
b. two-dimensional
c. zero-dimensional
d. three-dimensional

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)