A number is chosen at random from the integers between 11 and 99, inclusive. what is the probability that the number contains the digit 2?

The atmospheric pressures at the top and the bottom of a building are read by a barometer to be 96.0 and 98.0 kPa. If the density of air is 1.0 kg/m^3, the height of the building is (a) 17 m (b) 20 m (c) 170 m (d) 204 m (e) 252 m e

1. what is the perimeter of a triangle with sides 12 inches, 9 inches, and 15 inches.

Which is the mode of this data set? 55, 78, 43, 39, 78, 61, 75, 50, 43, 78

The top of a round table is 4 feet in diameter. The top splits to allow two extra boards to be inserted. The expansion boards are 4 feet by 1 1/2 feet. What is the area of the expanded table?

Y is directly related to x, and y is 81 when x is 27. the constant of variation is

A car is traveling at 60 kilometers per hour. How many kilometers does the car cover in 7 hours?

Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms. x + 7 - 4x^3

Trapezoid: b1=3 m; b2 = 4m A = 7 m2 What is the missing dimension

Describe how to transform (5 square root x^7) ^3

A triangle has 2 sides of lengths 7 and 12 what value could the length of the third side be