Answer:
ax + by + c=0
Step-by-step explanation:
Answer:
x= 1/3 , -4/3
Step-by-step explanation:
9x^2 + 9x -4 =0
(3x-1) (3x+4) =0
x= 1/3 , -4/3
The total amount he should pay is $69.6
20% of 58 is 11.6
11.6+58=69.6
0.70 the 9 is in the hundredth place so you use the 8 in the thousandths place to round it up to 0.70
For each power of ten , the number of zeros written in the product is the same as the number of exponents.