If x=-3 and y=7 find the value of x^2 and y^3
3087
An automobile travels 176 miles on 8 gallons of gasoline. How far can it go on a tankful of gasoline if the tank holds 14 gallons?
176m/8g =x miles/14 g x=308 miles
What is 40% of 164?
65.6
In her chemistry class, Stephanie took 4 tests. Her scores were 79, 90, 92, and 91. What was her average score on the t
Her average score is 352÷4=88
What is The lowest temperature on a winter morning was –8°F. Later that same day the temperature reached a high of 24°F. By how many degrees Fahrenheit did the temperature increase? A. 3° B. 8° C. 16° D. 24° E. 32°
E
What is (2a^3)2
4a^6
If 5 pounds of grass seed will cover 1025 square feet, how many square feet can be covered by 15 pounds of grass seed?
3075 square fee
What is 3x^2 + 3x^2
6x^4
If he gets 100, a perfect score, on the remaining 2 quizzes, what will his new average be?
His overall average will then be 680÷8=85.
What is The expression : 9x^4-27x^6/3x^3 is equivalent to:
3x(1-3x^2)
If a person earns $2340 in 6 weeks, how much can the person earn in 13 weeks at the same rate of pay?
$5070
17 is what percent of 51?
33 1/3%