If the dilation is given: triangle ABC — triangle A'B'C' under Do, 2, which of the following is the scale factor?
O 0.5
02
0 1

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?