X+8-2=12 how do I solve

You bought a new fish tank with the dimensions 36 inches by 16 inches by 20 inches. What is the largest volume of water the tank can hold?

Julie and Erin have 6 1/3 yards of red checked cloth. After making dresses for 4 dolls, they use the remaining cloth to make bows for the doll's hair. They need 8 bows for 4 dolls. How much cloth do Julie and Erin have for each bow?

John is filling a bathtub that is 18 inches deep. He notices that it takes two minutes to full the tub with three inches of water. He estimates it will take 10 more minutses for the water to reach the top of the tub if it continues at the same rate.

The teacher writes 10/12 on the board. he asks students to write the fraction in simplest form. Who writes the correct answer?

Over a course of 4 days, the price of stock at ACME corporation fell $28. What was the average change in stock price per day?

Factorise a) x + 3x - 4

Find the radian measure of an angle of - 280° A) (9/-14π) B) (-14π/9) C) (9π/-14) D) (-14/9π)

Find the discriminant of x^2+4x-32=0

Jamil has 3 pet lizards. The pet store owner said that Jamil will need to buy a total of 36 crickets to feed his lizards. If each lizard eats the same number of crickets, how many crickets does each lizard eat?

Fatima wants to purchase a scarf for $45 and a sweater for $77.50 if she currently has $100 how much more money does she need to purchase the two items