In aunt melly’s attics there are spiders and ants, the total of 152 legs and 22 heads. how many spiders and how many ants?

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

What is the binomial expansion of (2x-3)^5

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis