What is the value of y

4y squared-7y=15

The difference of the square of a number and three times the sum of the number and 7 is more than the product of that number and 15. Select the inequality that can be used to determine the unknown number. A. x2 - 3x - 21 > 15x B.

The first side of a triangle is twice the length of the second side; the third side is 20 feet less than three times the second side. The perimeter of the triangle is 106 feet. Find the three sides.

Time taken by a randomly selected applicant for a mortgage to fill out a certain form has a normal distribution with mean value 9 min and standard deviation 4 min.

Tell the measure of the angle in degrees 1/10

To whitch subsets does the number - the square root of 25 belong select all that apply A) irrational numbers B) rational numbers C) integers D) whole numbers E) natural numbers

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.