4D. Jenna has ten 50 coins, ten 100 coins and ten 20c coins. She chooses three of these coins and adds them together to find the
total amount.
How many different total amounts could she get?

10 different amounts

Step-by-step explanation:

50+50+50= 150

100+100+100= 300

20+20+20= 60

100+50+50= 200

100+100+50= 250

20+50+50= 120

20+20+50= 90

100+20+20= 140

100+100+20= 220

50+20+100= 170

5104.38 inches

step-by-step explanation:

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.