1. Solve the following systems of linear equations using the elimination methed. (a) 7x+5y-3z＝16
3x-5y+2z = -8
5x+3y-7z = 0

Can someone help me? ​

Draw a scaled copy of the circle using a scale factor of 2

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell