Answer:
d
Step-by-step explanation:
stat edit but just use the formula y2-y1/x2-x1
4 cars because he washed 20 cars in 20 hours
42 x 61 = 2562
2562/215 = 11.92
12 total bags are needed
Answer: √3/3
√1/3 = 1/√3 x √3 / √3
= √3/3
