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
Honestly I believe the snail would travel 2.5 more centimeters in 6 minutes. so technically the snail traveled 12.5 cm in 6 minutes.
Answer:
i
Step-by-step explanation:
it is an imaginary number
4x^2 - 36 = 0
4x^2 = 36
x^2 = 9
x = 3 or -3
the answer is C