Second option:
-7x^2+4x+2
Answer:
Step-by-step explanation:
Group like terms 6y-2y= 2-1-2
When a number goes over the equal sign= positive + changes to negative, vice versa.
So final answer is 4y= -1= -4y
Because 4 is decided by -1
Answer:
P=a+b+c. To find the area of a triangle, we need to know its base and height. ... Name. Choose a variable to represent it. Let x= the measure of the angle. Step 4.
Step-by-step explanation:
Answer:

Step-by-step explanation:
b = 4 × 3.5 = 14 cm²
h = 2,1 cm
then



Simple proportions.
You want a 1:5 ratio.
You have a 5:1 ratio.
So you add another 24 drops of white.
5:25 = 1:5
or
5/x = 1/5 and cross multiply.