3x92 = 276 (first 3 exams)
average of at least 90 (90 x 4 = 360)
360 - 276 = 84
Answer
<span>she needs to score at least 84 on the fourth exam </span><span>in order to guarantee a final average of at least 90</span>
Answer:
Four and twenty nine thousandths
Step-by-step explanation:
Answer: 5,15,20,25,45
Step-by-step explanation:
1st is 20, 2nd is 25, 3rd is 15, 4th is 45, 5th is 5
Answer:
C
Step-by-step explanation:
both 4 and -4 are the same distance from 0
Answer: 3
Step-by-step explanation: To solve for A we need to get it by itself by doing the inverse of mulitplication, which is, division. 27/9=3, so a=3.
