N in Sove the inequality and write the solution in
interval notation
(-1,) U[2, o)
O(-11) U (2, )
(-0,-1) u(1.0)
(--1)uft.2) U (2, co)
DONEV

Evaluate cos2θ for cosθ = square root of 3/2

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.