80% of quizzes + 20% of final = final grade
80% * 73 + 20% * x = 70
0.8 * 73 + 0.2x = 70
58.4 + 0.2x = 70
0.2x = 11.6
x = 58
Answer:
4x/y4
Step-by-step explanation:
2(2x/y4)
2 x 2x/ y4
=4x/y4
the solid line passes through (0,-3) and (0,9)
dotted line passes through (0,-3) and (0,-1)
see attached sketch
Answer:
answer is (3,7)
Step-by-step explanation: