Select the choice that has like terms. 1. 4y, 4xy, 4x
2. 6x, 1/2x, -5x
3. 10, 9, -1x
4. 3x, 3x^2, 3x^3

Anewborn baby had about 26,000,000,000 cells. an adult has about 4.94 times 10 to the 13 power cells. how many times as many cells does an adult have than a newborn

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?