Answer:
4y-9
Step-by-step explanation:
y is the number, 4 times the number = 4y
so 4y-9
Answer is <span>7x^2-3x+7
hope this helps</span>
Answer:
1/4
Step-by-step explanation
you divide 25 divided by 25 the also divide 100 divided by 25 and u get 1/4
Answer: This study uses a control group, this study uses repeated measures design, and this study uses random sampling
Step-by-step explanation: