Solve the system of equations by the substitution method.

x+y=4

y=-3x

Ricki has 76.8 feet of cable. She plans to cut it into 7 pieces. How long will each piece be?

What property is 77 (-2) = (-2) 77

Estimate the total number of books at Woodside

Nick billups is paid a salary of $ 900 a month, a 2 % commission on all sales, and 1.8 % more on monthly sales over $ 17,500. In June, his sales were $ 48,500 and In July, & $ 50,200. A. Find his total salary and commission for June. B.

2x-5y=10; what is the x intercept, what is the y intercept, what is the slope?

Oswald has £6 he buys some cans of drink at 85p each and has 5p left over how many cans of drink did he buy

Lisa's store collects 5% sales tax on every item sold if if she caused if she collected $22. In sales tax what was the cost of the items her store sold

Construct arguments A sport team with 14 members is planning an award banquet. To find the total cost of the meals, the team uses the expression 5 (g+14) where g is the number of guests attending the banquet.

Suppose that you have a pattern rule with an algebraic expression. a) What does the constant term tell you about the pattern? b) What does the numerical coefficient tell you about the pattern?

Is the function f (x) = ( - 7) ^ x an exponential function? If so, identify the base. If not, why not?