The sum of the digits of a certain two-digit number is 7. Reversing its digits increases the number by 9. What is the number?

1. f (x) = 2x + 6 Evaluate f (2) 2. f (x) = 3x Evaluate f (a + 1) 3. f (x) = 3x - 1 and g (x) = 5x + 3 Evaluate f (2) + g (3)

The process z (t) is defined by z (t) = tx+y where x and y are jointly gaussian with zero mean,

If the hypotenuse of a right triangle measures 15 cm and one of the legs measures 12 cm, what is the length of the other leg?

If the volume of this box was 750 inches what would the value of the hieght have to be

Solve for p 8/9 12/p

If the perimeter of an equilateral triangle is 24 inches, find a side of the triangle

3x-2y=-2 6x-2y=10 solve by elimination

A marketing firm is studying consumer preferences for winter fashions in four different months. From a population of women, 18-21 years of age, a random sample of 100 women was selected in January.

Which is bigger 15%or 1/5?

What is - 10=xy+z for x?