Answer:
0
Step-by-step explanation:
After 5 tests, her average was 88. To have a seven-test average of 90, the total must be:

Her average after 5 tests was 88. Her total score on the 5 tests is:

Subtract:

Find the average by dividing by 2:

Her average must be 95
Circumference=2pir=<span>2∗3.14∗5.1</span><span>=30.028=30.03.</span>
Forth degree trinomial because we have a number that’s to the exponent of four and we have 3 terms.