Which of the following math statements contain variable(s)? check all that
apply.
a. 5-5 = 0
b. 34 - 6 = 28
c. ? +8 = 19
d. 11 + x = 19

The number of electoral votes each state is assigned is determined by the size of its population every ten years. the chart shows the number of electoral votes california was assigned each decade of the past century. what is the 3rd quartile of the data?

Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.