20 points you scored 83, 96, and 88 on three of your math tests. write and solve an equation to find the score you need on the fourth test so that your mean test score is 90. explain and show work!

Given the statements, "a square root of 16 is 4," and "a square root of 9 is -3," complete the following blanks with the correct truth-values. p is and q is , so the statement, "a square root of 16 is 4 or a square root of 9 is -3" is .

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.