Examine the system of equations.

y = 3/2x - 6,

y = - 9/2x + 21

Use substitution to solve the system of equations. What is the value of y?

Round 31/40 to the nearest percent

Which is bigger 3/4 or 4/5

6. Petra is given the equation (x-15) ^2 + (y+4) ^2=100 and identifies its graph as a circle whose center is (-15,4) and radius is 10. Has Petra made a mistake? Explain.

Two fractions are given. For each one, write its decimal equivalent and determine if the decimal is terminating or non-terminating. A. 9 / 20 B. 4 / 15

Examine the system of equations. y = 2x-3 y=-3 Whích statement about the system of linear equations is true? The lines have different slopes. There is no solution to the system. The lines have the same slope, but different y- intercepts.

What ia the common ratio of the sequence? - 2, 6, - 18, 54, ...

What is g+114.78=152.98 A g=267.76 B g=28.2 C g=38.2

Which is another way to check the sum of 104 + 34 + 228 + 877? A. 877 - 104 + 34 + 228 B. 877 - 228 - 34 - 104 C. 34 - 104 + 228 + 877 D. 877 + 228 + 34 + 104

Which expression can be simplified as 1/n^18 A. (n^2) ^9 B. (n^-9) ^-2 C. (n^-6) ^-3 D. (n^-3) ^6

Determine the cost of one rose. Then determine how many roses are purchased for $28. A. One rose costs $4. Seven roses may be purchased for $28. B. One rose costs $7. Four roses may be purchased for $28. C. One rose costs $4.