The t-shirts cost $12 each plus a one-time shipping fee of $10. ... Which equation should be used to find how many shirts the band purchased?

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

When y’all answer can y’all explain too !

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?