Witch ones are mathematical sentences?

5g=9

4x

8r=12

R+7=4

34

X=1

At a large high school 40% of students walk to school, 32% of students have been late to school at least once, and 37.5% of students Who walk to school have been late to school at least once. One student from the school will be selected at random.

1. Twice the sum of a number and 9 is equal to three times the difference of the number and 4. Find the number 2. A car rental agency advertised renting a car for $28.95 per day and $0.28 per mile.

For any number a, the polynomial x^2-a^2 can be factored as

Which number (s) below represents a repeating decimal? -2/3, - 3/5, 3/10, 11/20

Can you come up with denominators that contain variables and aren't equal that would require you to change only one denominator?

What do the following two equations represent? -x - 3y = - 1 -x - 3y = - 1 Choose 1 answer: Equal lines Parallel lines Perpendicular lines None of the above

Which of the following is the probability that when rolled a die will come up with either a 1 or a 2? 66% 75% 33% 50%

44/100 in simplest form

Two integers a and b have a product of - 33. What is the least possible sum of a and b

The product of 3.3 and a number C