Jon's teacher wants to buy giant cookies for the entire class. If cookies cost $1.95 each, write an equation that shows how much change she will get back from $30 after buying C amount of cookies.

Which unit is the best to use for an estimate of the mass of a peach?

If f (x) = x3 + 7x2 - x and g (x) = x2 - 3, what is the degree of g (f (x)) ? 2 3 6 8

A certain species of fish require 1.5 1.5 cubic feet of water per fish to maintain a healthy environment. find the maximum number of fish you could put in a tank measuring 6 6 feet by 3 3 feet by 4 4 feet.

Which of the following properties of equality allows 7 (x - 1) to equal 7x - 7?

Max installed a motion detector on the shed that illuminates a semicircle with a radius of 12 ft. What is the area of the yard that will be lit by the motion detector light? Leave your answer in terms of π.

Jessica is reading a book. She is able to read about 5 chapters each day. Assuming that, on average, each chapter contains 13.87 pages, which is a good estimate of the number of pages Jessica can read in 4 days?

70,000,000write the number in the form standard

A data set that consists of 33 numbers has a minimum value of 19 and a maximum value of 71. Determine the class boundaries using the 2 Superscript k Baseline greater than or equals n rule if the data are: a) discrete b) continuous

A scientist has a 120 mg sample of an unstable isotope. The amount of the substance remaining in the sample decreases at a rate of 16% each day. At the end of t days, there is less than 30 mg of the substance remaining.

A rectangular plot of land is to be fenced in using two kinds of fencing. Two opposite sides will use heavy-duty fencing selling for $3 a foot, while the remaining two sides will use standard fencing selling for $2 a foot.