105 is 42% of what
number?

250

Step-by-step explanation:

the multiply both sides by 100 and dividing both sides by 42

so you will get

x=105  × and that's how you will get your answer

or you can do

105 × 100 ÷ 42 on a calculator and you will get the same answer

a. the residual plot for model 1 has a random pattern and is a good fit for the data.

step-by-step explanation:

there are 36 inches in a yard

25 : 36 = 0.69 yards (you can round to 0.70)