Solve tan^2 x / 2 - 2cos^2 x-1

Carmen is designing an intersection of the rail line and four streets. She wants to know which streets are parallel. Which streets are parallel? Check all that apply. A. c || d B. c || e C. c || f D. d || e E. d || f F. e || f

A computer is advertised as 40% off the original prize. After the discount, the tax is $44.64. What is the original prize?

In the past month, Heather rented 6 video games and 3 DVDs. The rental price for each video game was $2.80. The rental price for each DVD was $3.90. What is the total amount that Heather spent on video game and DVD rentals in the past month?

What is the relationship between the value of the first 5 and the value of the second 5 in 5500

Three boxes of granola bars contain 24 bars. How many bars are in 5 boxes? a0 bars

A delivery person uses a service elevator to bring books up to an office the delivery person 160lb and each box of books weighs 60lb the maximum capacity of the elevator is 1230lb

If you flip a coin 300 times how many times would you expect the coin to lands head up? Explain your reasoning (write in complete, mathematically precise sentences).

What is 305 divided by 5 using the distributive property in division without remainders

Five runners Gandy Beth Dale Ella and Trey are in a 1-mile race. Trey finished 6 seconds after Dale. Dale finish five seconds before Andy. Andy finished 5 seconds before Beth. Ella finished four seconds after Beth.

A^2-7a=-8a+2 in factoring form