Q.1: Expand and simplify each of the following expression: 6m- 2(4n+5m+1)-2n + 4

12x + 5(-5y-2z+2) – 2(8x+z) + 7

Q.2: Factorize the following:

8pq + 20qr – 16s

4a2 + 7a + 3

a2-5a + 2ab – 10b

Q.3: Express each of the following as a fraction in its simplest form:

3m4 + 5m8 – m2

2p3 -3p +p2

Can you answer my question? will mark brainiest!

Tori examined the pattern of exponents in the table. based on the pattern, which statements are true? check all that apply.

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.