How many cubes are needed to pack the solid box?

a. 15
b. 20
c. 13
d. 16

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter