Kristen brought 2 candy bars for 1.29 each and a soda for 1.99 .she had to pay 0.38 in tax how much was her bill

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?

Use the ratio test to determine whether ∑n=14∞n+2n! converges or diverges. (a) find the ratio of successive terms. write your answer as a fully simplified fraction. for n≥14, limn→∞∣∣∣an+1an∣∣∣=limn→∞.

Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?