An unbalanced scale with 9 blocks on the left side of the scale and 5 blocks on the right side of the scale

for the image above, which action below allows the scale to be balanced?

add 5 blocks to the left side.
add 4 blocks to the right side.
take away 5 blocks from the left side.
take away 3 blocks from the right side.

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)

Which statement about the annual percentage rate (apr) is not true?