Sam will take four science tests this quarter. Her scores on three of the tests are shown below. What does Sam need to score on the fourth test to ensure that she will have an average of 90% for all four tests?

98%

Step-by-step explanation:

83%+91%+88%+?=90×4

262+?=360

?=360-262

?=98%

i can

step-by-step explanation:

“a term can be a signed number, a variable, or a constant multiplied by a + sign or j sign. in , the terms are 5x , 3y and 8. when a term is made up of a constant multiplied by a variable or variables, that constant is called a coefficient.” i hope this you.