Answer:
C. a = 7
D. c = -3
Step-by-step explanation:
C. 7(2a + 3) + 21 = 100+ 40
14a + 21 + 21 = 140
14a = 140 - 21 - 21
14a = 98
a = 7
D. 6+ 14 - 12c = 56
20 - 12c = 56
-12c = 56 - 20
-12c = 36
c = - 3
Answer:
Step-by-step explanation:
To the nearest 10 is 300 - 298
To the nearest 100 is 500 - 549
To the nearest 100 is 700 - 698
Answer:
Mary can read one page per two minutes.
Step-by-step explanation:
20 divided by 10 equals two
Answer:
16
Step-by-step explanation:
22-6=16 ;0
