Melissa drives 238 miles in 5 hours. what is her average rate of speed?

Can someone check my answer? you : )

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28