A number has a 5 in the tens place. The number of ones is 3 less than the number of tens. The number of hundreds is 1 less than the number of ones. What is the number?

What is the seventh term of the geometric sequence were a one equals - 4096 and a four equals 64

Amir started a business with john and jack. Amir invested 2/6 of the amount to start a business. John 2/5 of the investment. The amount put in by john was 6000. What is the fraction by jack? What was the total amount invested by all three?

Suppose about 400,000 people live in an area of 160 square miles. What is the best estimate for the population density? A) 1,800 people per square mile B) 2,000 people per square mile C) 2,200 people per square mile D) 2,500 people per square mile

Evaluate 10x^2y^-2 for x = - 1 and y = - 2a) 10 (2) ^0b) 2 1/2c) 40d) 5/8

Stephanie surveyed the students in her class to find out their favorite color. her results are in the table. what percent of stephanie's classmates did not choose blue as their favorite color? 6 students chose red. 9 students chose blue.

In exercises 1-4 write the expression as a phrase

If: tanx = 3/8 find X (3sf)

The sum of two and the quotient of a x and 5

Work out m and c for the line y=x-5

Calculate mean, median, and mode for each set of data. IQ's: 78, 79, 87, 88, 101, 120, 132