A t-shirt and two pairs of shorts cost $53.50. At the same store, two t-shirts and three pairs of shorts cost $84. Assuming that all shirts are sold for the same price, and all shorts cost the same, too, select all statements that are true.

n=9

step-by-step explanation:

7 times a number = 7n

decreased by 13 = 7n-13

same as is =

5 times the number = 5n

increased by 5 = 5n+5

7n-13 = 5n+5

2n=18

n=9

hello, there is a new name in town and that's the human spider!

answer: d.) the total number of protons and neutrons is 15

merry christmas!

~

your friendly neighborhood human spider! .

c

step-by-step explanation:

thus, the first answer choice, y = sec x, is the correct one