I believe a would be on the first line.
Answer:
25% would be the answer
Step-by-step explanation:
Answer: r = 7
Step-by-step explanation:
Subtract 12 from both sides to isolate the r variable. You have -42 = -6r. Divide both sides by -6 to get r by itself and you get r = 7. Verify by substituting 7 as the r value and solving the equation.
2/3
6x = 4
x = 2/3
The scale factor can be determined by using similar sides
30(-2/5)²(5/8) = 30*(4/25)*(5/8) = 30*4/(5*8) = 3
