Sally is 4 years older than time. together, the sum of their ages is 20 set up an equation that will enable you to determine their ages

Suppose that the local sales tax rate is 7% and you purchase a car for $25,200. a. How much tax is paid? b. What is the car's total cost? a. The amount of tax paid is $ b. The total cost is $

Twenty boys signed up for the school play. The number of girls who signed up was 195% of the number of boys. At the auditions, only 26 girls attended. What percent of the girls who signed up for the play attended the auditions?

What is the value of 5x³+4y³ when x=4 and y=3

You have a coupon of 10% off a DVD that cost $15. If a tax of 8% is charged on the original amount, what will you pay for the DVD

Expanded form for #2937082

The sum of three consecutive integers is 42. let x be the middle of the three things integers transcribe the statement accordingly

Leonardo recorded his speed while skateboarding and determind he was traveling 18 feet per seconds. How many feet could he travel in one minute?

If two positive integers p and q are written as p = a^2b^3 and q = a^3b, where a and b are integers, then show that LCM (p, q) * HCF (p, q) = pq

If the original distribution of x values is known to be normal, do we need to make any restriction about sample size in order to claim that the distribution of sample means x taken from random samples of a given size is normal?

What is 4 1/2 divided by 7 1/3 and multiplied by 1 3/5?