Which systems of equations have an infinite number of solutions? Choose all answers that are correct.

a. y=3x+1 - 3x+y=1b) x=-2 x=7c) y=-x = -x+4d) x+y=5 y=5-x

How to write 8.235 x 10-4 in standard form

2x-y=6i 2 x minus y equals 6

On a balance scale, four spools and one thimble balance twenty nine buttons. Also, one spool balances one thimble and one button. How many buttons will balance one spool

My friend has $729 to spend on a fence for her rectangular garden. She wants to use cedar fencing which costs $18/yard on one side, and cheaper metal fencing which costs $9/yard for the other three sides.

Mrs. Ringel booked a hotel room for 5 nights. She paid a total of $312.50. How much did Mrs. Ringel pay for the hotel room each night? $

Write an inequality to compare the absolute of - 32 and the absolute value of - 23.

If x+y = b and - x+3y=a, then what is y?

A dress marked $52.00 has a discount of 20%. How much is the discount? a. $13.00 b. $41.60 c. $10.40 d. $12.00

Barry's BarBQue incurred the following costs: $1,400 for ribs, 45 hours of labor to cook the ribs at $10 per hour, $50 for seasoning and sauce, $300 for signs to advertise the ribs, $150 to clean the grill after cooking the ribs, and $100 of

What are the x - and y-intercepts for the graph of 5x - 2y = 20? A) x-intercept = 4 y-intercept = - 10 B) x-intercept = - 2 y-intercept = 5 C) x-intercept = - 4 y-intercept = 10 D) x-intercept = 2 y-intercept = - 5