7(7a-9)>84
first multiple out to get rid of the parentheses
49a - 63 > 84
add 63 to both sides
49a > 147
Divide by 49 and flip the sign because when you divide a inequality you have to flip the sign
a < 3
Answer:
example of Analog computer=
Operational amplifiers
Answer:
$108
Step-by-step explanation:
3X9= 27square foot. Then you multiply 27 by 4, which equals $108
Answer:
ac=-3, BC=57 I hope it will help you please follow me
Answer:
5
Step-by-step explanation:
4x5=20
