The third one is a point with the first equation.
I had to simplify the second equation.
It simplified to,

The second one with the above is didn't go through so I'd say no solution.
Answer:
the median is 8
Step-by-step explanation:
Answer:
9 in. to 5 in.
or 9/5
Step-by-step explanation:
6 ft=6*12=72 in.
6 ft/ 40 in.=72/40=9/5
9 in. to 5 in.
Answer:
r=20
Step-by-step explanation:
since the angle and sum of a straight line is equal to 180, you structure an equation:
180=105+(4r-5)
solve for r
180=100+4r
80=4r
20=r
check answer
4r-5 4(20)-5
80-5
75+105=180
$269.15 discount 499.85 sales price
Step-by-step explanation:
If the price is $769 it's off 35% you turn the percent into a decimal which is .35 then you multiply it by the price of $769. You then get $269.15 for the discount price and then you subtract the regular price $769 from the discount price which is $269.15. So you get $499.85 as your answer