Answer:

Step-by-step explanation:

you can solve for the fractions first, but you have to give them a common denominator

which is in simplest form
then solve for the whole numbers
3-2=1
therefore, the answer is
Answer:
complementary angles are angles that sum up to 90 degrees. that is all I can say because I can't see any diagram
Answer:

Step-by-step explanation:
Quadratic Formula: 
√-1 is imaginary number i
Step 1: Define
y = -3x² + 4.5x - 20
a = -3
b = 4.5
c = -20
Step 2: Substitute and Evaluate







Answer:
44 m/h
Step-by-step explanation:
speed/how fast = distance ÷ time
= 308 miles ÷ 7 hours
= 44m/h
Answer:
the equation would 9d-6=c
the amount she will spend if she buys 8 DVD is $66.
Step-by-step explanation:
9×8-6=C
72-6=C
$66