Answer:
x = 6
Step-by-step explanation:
To find the missing side, write a proportion using side lengths from each similar shape. A proportion is an equation that sets equal two ratios.

Find x by cross multiplying numerator and denominator of each fraction.
4(18) = 12x
72 = 12x
6 = x
It will take Dave 7 weeks to earn the right amount of money.
Answer:
its the first question i think it might be wrong idk
Step-by-step explanation:
because when you find the area you multiply two sides so you have to add 10 and 5 and then multiply it by 18