La razón entre dos números: 7. El cuadrado de la suma de tres números:
8. La suma de los cuadrados de tres números:
9. El perímetro de un rectángulo de lados a y b:
10. El área del cuadrado de lado 3x:

answer: d. $20

step-by-step explanation:

just took the test

lol we need to see what the question is asking about

step-by-step explanation:

x = 2

step-by-step explanation:

if sr parallel to ba then the sides bc and ac are in proportion, that is

= ← substitute values

= ( cross- multiply )

27x = 6(4x + 1)

27x = 24x + 6 ( subtract 24x from both sides )

3x = 6 ( divide both sides by 3 )

x = 2