How do you do linear equations in an easy way

Y = f (x) = 2x find f (x) when x=2

Umder what conditions can you use a normal distribution to approximate the binomial distrubution

Find two integers with a product of 20 a sum - 9 make a table of number that multiply to equal positive 20 Which of those sets of numbers have a sum of - 9). A 4and5 B - 3 and 3. C - 4and - 5 D 10 and 2

Estimate a 5% tip on a bill of $81.24 by first rounding the bill amount to the nearest ten dollars.

How much change will get out of $30

Use the following function rule to find f (r+4). simplify your answer ... f (n) = n+4

Yolanda's club require that 60% of the members be present for any vote. If at least 30 members must be present to have a vote how many members does the club currently have

Twenty five students are in class. each student will have one fourth of sandwich for a snack. each sandwich is made with two slices of bread.

F (x) = 2x-6 and g (x) = 3x+9, find (f+g) (x) A (f + g) (x) = - x - 15 B (f + g) (x) = 5x + 3 C (f+g) (x) = 5x+15 D (f+g) (x) = x+15

Resuelve las siguientes ecuaciones tales que 0° ≤ x ≤ 360° sen x=sen (π/2-x) cos x + 2 sen x = 2 csc x = sec x 2 cos x * tan x - 1 = 0 4 cos2 x = 3 - 4 cos x