Fiind the value of x between 0 and 360
for question 5sin 2x=7cos2x

Luisa sells stuffed animals. she sells her stuffed elephant for $34.90, and the sales tax is 6% of the sale price. about how much is the sales tax on the elephant?

You have 37 coins that are nickels, dimes, and pennies. the total value of the coins is $1.55. there are twice as many pennies as dimes. find the number of each type of coin in the bank.

Run a linear regression to determine an equation (y=mx+b y=mx+b)