Express the polynomial z^2-z^4+2z^2 in standard form and then classify it.

12.5% of an amount is 25 grams. Find the full amount.

Your family goes to a restaurant for dinner. There are 6 people in your family. Some order the chicken dinner for $14.80 and some order the steak dinner for $17.

Paul currently has $300 to spend on a data plan. He found a phone for $100 and a $50 a month charge. Which inequality represents how many months Paul can afford this phone based on how much money he has right now?

Eden has 12 erasable pens. After she gave 4 of her pens to David, she has 8/12 of her pens left. What fraction of her pens did she give away? Write the answer in simplest form.

How to i get rid of a squared exponent in an equation when solving for x?

What are the coordinates of the focus and the equation of the directrix? A. focus:; [-1/4, 0]; directrix: x = 1/4 B. focus:; [1/4, 0]; directrix: x = - 1/4 C. focus: (-4,0); directrix: x = 4 D. focus: (4,0); directrix: x = - 4

What's the circumference and area of a circle with a radius of 9 km

Is y=5-2x linear or nonlinear?

Saul got 19 out of 25 on the test. Cindy got 79% on a same test which student got the higher mark?

A long-stay parking lot charges an intimo fee of $10, plus $2 for each day the car is parked. How many days must the car be parked for the average cost per day to fall to $4