Answer: -2 - (-7)
Step-by-step explanation: They both have the same outcome, 5. Which one is negative and one is positive. The last option is correct.
Answer:
C
Step-by-step explanation:
9x² - 4
can be factored as a difference of squares , that is
(U + V)(U - V)
9x² - 4 = (3x)² - (2y³)²
with U = 2x and V = 2y³
Answer:
1entire group
2part
3particular condition
4random and large enough
5range of the middle half
6
7
8
9 average
10middle of a sorted list
11which appears more often
12 the lowest and highest
13mirrors
14
15
Step-by-step explanation:
Im not sure about the rest
The number of bacteria in a culture is increasing according to the law of exponential growth. There are 125 bacteria in the culture after 2 hours and 350 bacteria after 4 hours.
