A national park has a population of 400 koalas. If the koala population is expected to increase by 3% p. a., the expected number of koalas in the National Park in 4 years, time will be:

A) 448

B) 450

C) 480

D) 500

What does x <-20 mean

Which of the following are equal to 7.5feet A 2yards B 2.5yards C 90inches D 84.5inches E 84inches

Four times a number is more than three times the number plus five

What expression is equal to 3/5

Determine the average/mean of the following set of integers: - 7, 12, 3, - 4, 8, - 1, 3

The formula for the area of a triangle is A=1/2bh, where b is the base of the triangle and h is the height of the triangle.

What is g (x) if g (x) = x-7; x=4

If an 11 day single payment loan has a periodic interest rate of 9.3%, what is the approximate effective interest rate of the loan?

Yvonne runs three times as fast as xavier. what is an algebraic translation of this? A y = 2x B y = 3x C y = 1/2x D y = 1/3x

A toy manufacturer inspects boxes of toys before shipment. each box contains 19 toys. the inspection procedure consists of randomly selecting three toys from the box. if one or more of the toys are defective, the box is not shipped.