Express 1.21212121 ... as a fraction

Multiply and simplify (3x 4) (x 1)

An average persons heart beats about 103680 times a day. Write and solve an equation to find about how many times the average persons heart beat in one minute

Liana started to evaluate the function f (x) = 2x2 - 3x + 7 for the input value 2. f (x) = 2 (2) 2 - 3 (2) + 7 = 2 (4) - 3 (2) + 7 What is the value of the function when x = 2?

How do u factor 6ab-8bc-4bd

If the approximate measure of an interior angle of a regular polygon is 128.6°, what type of polygon is it?

The price of a notebook was $3.15 yesterday. today, the price rose to $3.40. find the percentage increase. round your answer to the nearest tenth of a percent.

What is the value of y in the equation 4y - 2 (1-y) = - 442

If Sarah had eight apples and she ate two apples how many apples did she eat

2 A change in the genes of a species over a long period of time.

An integer 3a5b can be divided by 5 and 6, what is the value of a + b.