Which choices best describes the solution (s) of the system of equations?

-16x+8y=16

-18x + 9y-18

Which description best describes all parallelograms? A. Only one pair of sides is parallel. B. There are 4 right angles. C. There are two pairs of equal and parallel sides.

What is the slope of 6x+3

Write each improper fraction as a mixed number or whole number. tell whether your answer is a mixed number or whole number. 16/3

Find the volume of the sphere with 3ft

Is - 21 a rational number

The formula to convert Fahrenheit to Celsius is C=5/9 (F-32). Convert 18 degrees C to Fahrenheit. Round to the nearest degree.

Find the probability of not rolling factors of 5 on both die

How are you feeling about what is happening around the world?

Abc bookstore sells new books, n, for $12, used books, u, for $8, and magazines, m, for $5 each. The store earned $340 revenue last month. The store sold 5 more used books than new books, and twice as many magazines as new books.

Which of the following statements best describes the location of - (-2) on a number line? It is 2 units to the right of 0. It is 2 units to the left of 0. It is 2 units to the right of 2. It is 2 units to the left of 2.