What is an algebraic expression for each phrase?

a - the product of 9 and a number 1

b - the difference of a number x and 1/2

c - the sum of a number m and 7.1

d - the quotient of 207 and a number m

Jan's age is three years less than twice tritts age. The sum of their ages is 30. Find their ages.

Evaluate ƒ (x) = x 2 + 1 for ƒ (-1). Can someone explain how you figure this?

Data are collected about the amount of time, in minutes, each member of a dance troupe spend practicing. How does a single outlier change the median of the collected data? A single outlier doubles the value of the median.

By applying the rules of probability to the following cross, Rr x Rr, determine the probability of the offspring being homozygous recessive? A. 1/2 B. 1/4 C. 3/4

Four times a number, x, plus 3 times a number, y, equals 75. Five times x minus 3 times y equals 6. Find the numbers by setting up a system of linear equations and solving the system using the elimination method.

If there are 13 values in a data set in order from smallest to largest what is the first quartile of the data set a. The mean of the 4th and 5th values b. The mean of the 3rd and 4th values c. The mean of the 2nd and 3rd values d.

The zeros of the function f (x) = (x+2) ^2 - 25 are?

What value of X makes 13 - (9) = X a true sentence

Let f (x) = x^2 + 6 and g (x) = x+8/x. Find (g ° f) (-7)

What is - 3/4, 0.5, 2/3, - 7/3, 1.2 in order from least to greatest