What is the a-value in the following quadratic equation?

y=-x^2+x-20

Find the value

Which of the choices below follow an exponential patten? Select all that apply.

What inequality is equal to 2x-1>5

What is 51/128 simplified

Trivia took some fishbowls to a flea market. In the first hour she sold one-third of them and a third more; in the second hour, she sold half of them and a half more; in the third hour she sold one-third and a third of one more;

How do i divide rational numbers

Mary can make a costume twice as fast as Sam can. If they both work together, they can make it in 6 hours. How long will it take Mary to make the costume if she works alone?

An equiangular triangle is also known as: acute right. regular obtuse

Three friends each bought a different ipod nano music player the total for the three purcheses was $375 Thomas paid 30 more than Megan Ryan paid 15 less than Megan how much did each person pay

Trignometric ratios

Simplify | 4-9 | A) 13 B) 5 C) - 5 D) - 13