Answer:
4x-20
Step-by-step explanation:
you put the x's together and since its negative,you can make it -20 instead of +-20
40-15=g so they scored 25 this year and 25+15=40
i think its
6x4-1 that should be the awnser
Answer:
1st and second, unless you have already learned area of trapezoids. If you have, add third
Step-by-step explanation:
Answer:
Marilee wants to earn an "A" in a class and needs an overall average of at least Her test grades are 88 , 92,100 , and 80 . The average of her quizzes is 90 and counts as one test grade. The final exam counts as 2.5 test grades. What scores on the final exam would result in Marilee's overall average of 92 or greater? (See Example 9
