How can you simply 4/5 to get 80%

Use substitution to slice this linear system 3x-2y=6 4y = - 8

If y = 1 i, then y3 - 3y2

Prove, using the second derivative, that the general quadratic y = ax^2+bx+c, is: a) always convex when a>0 b) always concave when a <0

X + 30=100 Raj says that x + 100 is he correct

There are 250 economy class seats on board. The airline sells some economy class seats at a discount price of $440 in advance and reserve a number of seats to sell at the full price of $770.

How do you calculate prisms

In the refrigerator there are 680 ounces of orange juice and 410 ounces of mango juice how many orange tango smoothies can ne madw explain your reasoning

a school bus has 22 rows of seats, and 4 students can be seated in each row / students riding in the bus have filled 19 rows of seats and 1/2 of the remaining seats. how many seats on the bus are empty?

If model shows the width of a tile is 1/6 in. And the actual tile has a width of 2/9 ft. What is the ratio of a tile in the model to the area of an actual tile?

3 (x-0.2) = 1.8+x find x