Is the square root of - 19 rational

Two large numbers of the Fibonacci sequence are f (50) = 12,586,269,025 and f (51) = 20,365,011,074 if these two numbers are added what number results

Danielle had a slime party and each friend got to take home 6/10 of a pound of slime. If 4 friends attend her party, between which two whole numbers is the total amount of slime she needs to buy?

What is the inverse of f (x) = 2x+4/2 with steps on how to get it and solve for x=6

A1, a1r 1, a1r 2, a1r 3, a1r 4, ... a1r n-1 is the general formula for the Sum of a what?

A package in the shape of a rectangular box can be mailed by the us postal service if the sum of its length and girth (the perimeter of a cross-section perpendicular to the length) is at most 108 in.

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.