Which pair of equations represents two perpendicular lines?

1. 2x-5y=45 and y-5/2x=-9

2.-3x+2y=10 and 3y=-2x+12

3.7x+4y=20 and y-3 = - 4/7x

4. x=4y+4 and 4x+4y=4

What is a second linear equation to create a system that has exactly one solution for 3x+9y=-8

12x8+4-4=what is the answer?

If Pablo invests $4200 for 3 years and earns $630, what is the simple interest rate? Pablo's goal is to have $5000 after 4 years. Is it possible with a rate of 6%? Explain.

How is finding the rate of a table similar to finding the rate of a graph?

the original price of a scarf was $16. During a store-closing sale, a shopper saved $12 on the scarf. What percentage discount did she receive?

Which expressions are equivalent to 5 x minus 15? Select three options. 5 (x + 15) 5 (x minus 3) 4 x + 3 y minus 15 minus 3 y + x Negative 7 y minus 6 x minus 8 y + x Negative 20 minus 3 x + 5 + 8

Which statement is true about f (x) = square root x

Two times the smallest of three consecutives even integers is four more than three times the largest. Find the integers.

If f (x) = 8x and g (x) = 2X+1 find (fog) (x)

Write an expression that represents the product of Q and 8:4