Answer:
x=3.5
Step-by-step explanation:
Answer:The amplitude:30
so a:-30
the period is:12
so b: pi/6
Step-by-step explanation:
Answer:
She bought 6 erasers.
Step-by-step explanation:
The answer is 244 because you add 35 to 287 then subtract 78 and it equals 244
<span>A) 11c - 2d = -2
B) c + 8d = 8
</span><span>B) c = 8 - 8d then substitute this into A)
</span><span>A) 88 -88d - 2d = -2
A) 90 = 90d
d = 1
c = 0
</span>