Cross multiply your fractions. if you have x/3=5/7, x*7 has to equal 3*5, meaning 7x=15. divide both sides by seven to get x=7/15.
Woah that's a hard one, my answer is A. but I'm not certain
Y = 13.
Explanation
Replacing the value x with 4 in the function gives that y= 4+9
y= 13
Answer:
A
Step-by-step explanation:
the type of wave out of a speaker.
Answer:
WU= 3
Step-by-step explanation:
Know that, W'U'÷ (scale factor) = WU
18÷6 is equal to 3
scale factor= 3
