Answer:
Step-by-step explanation:
XYZ
The first one
I hope I helped you.
Y=2x, rise/run. start from 0,0, go up the y axis until you see that the line hits a solid point which is 1,2.
Answer: $1.33
Step-by-step explanation: you have one dollar. One quarter is 25 cents. One nickel is 5 cents. And 3 pennies is 3 cents so you add 25+5+3=33 and you add that to one dollar and you get $1.33.
Answer:
20, -20
Step-by-step explanation:
I assume you mean |x| + 31 = 51?
that means |x| + 31 - 31 = 51 - 31
==> |x| = 20
because this is absolute value
so x = 20 or -20