How many solutions does the system of equations have? 3x=-12y+15 and x+4y=5

A. One
B. Two
C. Infinitely many
D. None

Y=6x+2 and 3y-18x=12

A. One
B. Two
C. Infinitely many
D. None

X-5x=-6 and 3y-9y=45

A. One
B. Two
C. Infinitely many
D. None

Y-5x=-6 and 3y-15x=-12

A. One
B. Two
C. Infinitely many
D. None

PLEASE HELP!!!

Students buying lunch at rockwell elementary school yesterday chose either burritos or pizza. 185 students chose burritos and 252 chose pizza. 1. estimate the number of students who brought lunch by rounding each number to the nearest hundred. 2. estimate how many students bought lunch by rounding each number to the nearest ten. 3. find the total number of students who brought lunch. which of your estimates is closer to the actual total? explain. 4. draw a figure on a sheet of paper. estimate how many pennies will fit inside the figure. check your prediction using pennies.

What is the first step of an indirect proof of a number that is divisible by two

Abe is a triangle. can you use the sss postulate or the sas postulate to prove triangle abc = triangle aed? by sss only neither apply both apply by sas only