What are the roots of the equation x^2-8x+65=0

Standard deduction on federal income tax return for single taxpayers is 5700 Fletcher an unmade custodian paid 3980 in state income tax in 2460 in mortgage interest last year how should he file his taxes

company buys a toy for $1.50 and marks it up 70%. Find the markup.

Hanna puts $4,383 in a savings account with and annual interest rate of 5.2 percent for 3 years. Into which variable should she substitute 4,383 in the simple interest formula I=prt

Emissary buys and sells diamonds she has a diamond that weighs 1 and 825 carats. What is the weight of Ms. Ari's diamond roumded to the nearest hundresth? J

Sylvia is 4 feet 3 inches tall. Her sister is 59 inches tall. Who is taller, Sylvia or her sister? what is the formula?

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.