1) The value of a mobile depreciates by 40% per year. Work out the current value of a mobile bought 3 years ago.

2) In a '60% off' sale, an outfit was £86. Work out the original price

3 (2x - 3) + 4 (2 - x) = 0

A scatterplot shows a strong, positive, linear relationship between the number of rebounds a basketball team averages and the number of wins that team records in a season. Which conclusion is most appropriate?

The lengths of the of sides of the triangle RST are consecutive odd integers. The perimeter of the triangle is 63 meters. What is the length of the longest side?

123 grams is rounded to nearest whole. Write down the minimum possible mass it could have been.

The relationship between the inputs employed by a firm and the maximum output it can produce with those inputs is called the A. utility curve. B. consumption function. C. production function. D. budget constraint.

two different subtraction problems that use only odd numbers for numerators and each have different of 3/4.

2x + 3y = - 14 y = 6x + 22

3$ is what percent of $12

If f (x) = x + 1/x, find f (1+3i)

The area of the small triangle is 10.5 meters squared and the area of the larger triangle is 94.5 meters squared. if the altitude of the large triangle is 9, what is the altitude of the smaller triangle