every day, katie looks for seashells on the beach. She has 28 shells in her collection. Katie finds 12 more shells each day. Write a quality to determine the number of days, d, it will take katie to collect over 100 shells.

Find the missing value of x in the arithmetic sequence below 12,5, x,-9,-16

Reina and Sam are multiplying (84) 5 (73) 9. Reina's Work Sam's Work (84) 5 (73) 9 = 84 + 573 + 9 = 89712 (84) 5 (73) 9 = 84⋅573⋅9 = 820727 Is either of them correct? Explain your reasoning.

What is the 11th term in the sequence: an = - 6n + 13?

what is 16/10 as a mixed number in simplest form. I don't get it?

How do you solve x+2a=16+ax-6a?

What adds to negative 13 and multiplies to 42

Y=2x^2-6x+4 separate the values with a comma

Choose an American household at random and let the random variable X be the number of cars (including SUVs and light trucks) they own. Given is the probability distribution if we ignore the few households that own more than 5 cars.

Consider the quadratic equation. x^2=4x-5. How many solutions does the equation have? a.) one real solution b.) two real solutions c.) no real solutions d.) cannot be determined

What is the circumference of the circle of a diameter of 12