Laura & Mary are doing their homework together.

Mary thinks the relation { (1, 1), (1, 3), (2, 3), (3, 4) } is a function, but Laura doesn't think it is.

Who is correct and why?

Is 6/23 minus square root 2 divided by 2 rational or irrational?

Solve for b. Reduce any fractions to lowest terms. Don't round your answer, and don't use mixed fractions. -67b + 6 < 96 + 43

5. Melissa bought a pencil for $0.34, an eraser for $0.22, and a notebook for $0.98. What is a reasonable estimate for the amount Melissa spent?

6. Suppose the population of deer in a state forest is given by the function D (t) = 750 + 150 cos t is measured in years since 2000. Once the deer population reaches a maximum number, how ma take the population to reach a maximum again? A.

What is the circumference of a circle with a diameter of 4

What is 7 times 9 in multiplti

Multiply and simplify (6x-4) (4x+1)

Which of the following rational numbers is closest to - 3.5? a. - 3 4/5 b. - 3.1 c. - 3 3/8 d. - 3.85

The expression d/t can be used to find the average speed of an object that travels a distance d in time t. what is a cars average speed if it travels 145 miles in 2.5 hours

Write the number in exponential notation: 2x2x2x2x2x3x3x5x5x5 24 x 3² x 5² 2² x 34 x 52 2x3x5 23x32x5