18x+4y= -16
9x+7y=17

a
multiply 1st equation by __ to set up eliminating x by addition.

b
multiply 2nd equation by __ to set up eliminating x by addition.

c
multiply 1st equation by __ to set up eliminating y by addition.

d
multiply 2nd equation by __ to set up eliminating y by addition.

Which statement is true 1.the pythagorean theorem can be used to find the missing side of any triangle 2.the pythagorean theorem can be used to find the missing side of any polygon 3. the pythagorean theorem can be used to find the missing side of any right triangle 4.the pythagorean theorem can be used to find the missing side of any isosceles triangle

Which rational number could be graphed between -4 and -5

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?