Ecan anyone help me? In your class, you have scores of70,66,85 and 87and on the first four of five tests. To get a grade of c , the average of the first five tests scores must be greater than or equal to70 and less than80 .
a.
Solve an inequality to find the least score you can get on the last test and still earn a c .
b.
What score do you need if the fifth test counts as two tests?

your answer is the last one

step-by-step explanation:

divide the length of a'c' by the length of ac to get a scale factor of two

& then reflect vertically (over the y-axis)

so your answer is dilation by a scale factor of 2 followed by reflection over the y-axis

$450

step-by-step explanation:

first, you have to multiply 150x2=300

next, you have to add 150+300= 450

im guessing (23,14). hope this : )

answer: correct

step-by-step explanation: