Simplifying fractions (picture provided)

2 1/4

Step-by-step explanation:

- 5 1/4 - ( - 7 1/2)

Subtracting a negative is like adding

- 5 1/4 + 7 1/2

Get a common denominator of 4

-5 1/4 + 7 2/4

Subtract

7 2/4 - 5 1/4

2 1/4

The right answer is 2 1/4

Please see the attached picture for full solution

Hope it helps

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

copy and paste, put it in google

answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.