5. (a) Jennifer bought a pair of running shoes selling for $75. If the sales tax was 5.8%,
what was the total cost of the purchase? (b) If the shoes sold for x dollars, what would
the total cost of the purchase be in terms of x? explanation.

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

For the inequality |c| < |d| to be true, which of the following must be true?

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.