Answer:
55°
Step-by-step explanation:
35°+ 90° + ? =180°
? = 180° - 125°
= 55°
So assuming that the total =27
r+b=27
r=-5+3b
r=3b-5
subsitute 3b-5 for r in first equation
3b-5+b=27
4b-5=27
add 5
4b=32
divide by 4
b=8
subsitute
b+r=27
8+r=27
subtracct 8
r=19
red=19
blue=8
Answer:
150
Step-by-step explanation:
30=chocolate chip
120=sugar
30+120 = 150!
the answer is 150 not sure why its not one of the options
The 90% confidence interval is (70 - 4, 70 + 4). The margin of error is 4%.
Answer:
C. G
Step-by-step explanation:
