Identify which equations have one solution, infinitely many solutions, or no solution. 1.3/2x + 2.3 - 1/2x =4.3 + x

2.17/4 + 4.2y - 9/4 = 2.2y + 6 + 2y - 4

3.-2z +2 + 4z = 16/5 +2z - 6/5

4.2x + 2/3 = 2x + 4/5 - 4r

5.5r + 2 = 6r + 3 - r

6.5r+2 = 6r+3-r

7.3.2p-2.5+2.1p=5p-7/2

no solution

one solution

infinity solutions

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

How many times larger is 9 × 10^8 than 3 × 10^-5? a. 3 × 10^13 b. 3 × 10^-40 c. 3 × 10^-13 d. 3 × 10^3