Which of the following equations have exactly one solution? Choose all answers that apply:

A: -19 + 18 = -19x+ 18

B: 19x + 18 = -19x + 18

C: -19x – 18 = -19x + 18

D: 19x - 18 = -19x + 18

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1

The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes