What does concave mean

40 is 8% of what number?

Assume that when an adult is randomly selected, the probability that they do not require vision correction is 23 %. If 6 adults are randomly selected, find the probability that exactly 2 of them do not require a vision correction.

The LCM of two numbers is the product of the two numbers. True or false

Two friends are taking statistics courses this semester and wanted to compare who was doing best. Gabriel was taking statistics with Prof. Harris whereas Michael was taking statistics with Prof. Plume. Gabriel got 85 and Michael got 98.

Given g (x) = 5x+1, find g (2)

Two hundred fifty-five and three tenths

126 pieces of white chocolate and 84 pieces of dark chocolate are divided into packs with equal number of pieces of each kind of chocolate. what is the greatest possible number of packs needed?

If beth washes dishes every day for 14 days how much will she money will she earn

a rectangular prism with a volume of 3 cubic units is filled with cubes with side lengths of 1/4 unit. how many 1/4 unit cubes does it take to fill the prism

Work out the surface area of a cube of edge 3m