Emelia discovered that if she takes three-fourths of her age and adds 9, it produces the same result as when she takes one-fourth of her age and adds 21. how old is emelia?

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.

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

Katelyn is 4.35 feet tall. Her older sister is 1.6 feet taller. How tall is Katelyn's older sister