Answer:
y=4/9
Step-by-step explanation:
Substitute 2y into the x
2(2y)+5y=4
4y+5y=4
9y=4
y=4/9
Answer:
65,527
Thank you and please rate me as brainliest as it will help me to level up
Ed = 96 but switch the numbers
Answer:
r = 9
Step-by-step explanation:
cross multiply
9 * r = 81
9r = 81
divide both sides by 9
r= 81/9
r = 9
P - q i believe because
p = total average
q = average of ac
x = average of bd
p - q = x