The probability of scoring A, B, C or fin STA 112 is 0.16 0.40 0.30 and 0.14 respectively. What is the
Probability that a student who took part in the examintion
scored: (I) At most c (ii) At least B (iii) At most B
(iv) B or C (v) Neither A nor F

answer: standard form is ax^2 + bx + c = 0

step-by-step explanation:

standard form is ax^2 + bx + c = 0

(2x + 1)(x - 2) = 0

distribute to get into standard form

2x^2 - 4x + x - 2 = 0

2x^2 - 3x - 2 = 0

a = 2, b= -3, c = -2

a is your answer

d. vertex

step-by-step explanation:

answer: 80,000

step-by-step explanation:

the population doubles every day.

10,000*2=20,000 day 4

20,000*2=40,000 day 5

40,000*2=80,000 day 6