Solve the system by the substitution method

X+y = - 9

Y = - 4x

Find (10) f (x) = 3x - 2 a. 1 b. 0 C.-8 D.-1

If I raked leaves for 7/8 hours how long will it take me to take leaves for 6 people

A study was conducted to identify the relationship between the hours of practice put in by the University at Buffalo football team and the success they had in games won. The Pearson's correlation coefficient was found to be. 78.

Use the quardratic formula to solve 9x^2+6x-17=0

Find the first four terms of the given sequence tn = (-1) n (n). A. -1, - 2, - 3, - 4 B. -1, 2, - 3, 4 C. 1, ½, 2/3, ¾ D. 1, 2, 3, 4

Use elimination to solve the system of equations. 3x - 5y = - 9 x + 2y = 8

When constructing an angle bisector, why do the arcs intersect?

Clare estimates that her brother is 4 feet tall. When they get measured at the doctor's office, her brother's actual height is 4 feet, 2 inches. Should Clare's or the doctor's measurement be considered the actual height? Explain your reasoning.

What is 2 plus 2 in an equation

The sum of two numbers is 28. The first number is 7 more than twice the second number. Let a represent the first number. Let b represent the second number. What is the second number? Use the table to guess and check.