PLEASE! I NEED MAJOR HELP!! Select the equation that is in Standard Form:
1.) 9x + 5y = 8
2.)9y = 5x + 8
3.)y = 9r + 5

1/3(x-10)=-4 solve for x with steps

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not