Answer:D
Step-by-step explanation:
7x - 5y = 21....(4,?)...so sub in 4 for x and solve for y
7(4) - 5y = 21
28 - 5y = 21
-5y = 21 - 28
-5y = - 7
y = 7/5
check..
7(4) - 5(7/5) = 21
28 - 35/5 = 21
28 - 7 = 21
21 = 21 (correct)
the other coordinate is 7/5......(4,7/5)
Q 1. 1,776 and 1,396
q 2. 1,250
q 3. 3.5 million
Answer:
Kevin
Step-by-step explanation:
1:100 because 20 divide by 20=1 and 2000 divide by 20 =100
