Clayton left a 15% tip for the waitress. If the amount of the tip was $3.30, how much was the bill before the tip?

How do I factor x^8-80x^4-81

Answer the following seperate questions 19a.) 6x-1=4 19b.) 4w+3=10 Evaluate when t = - 2 20a.) 5t-3 20b) the sequence 5+t, 5+2t, 5+3t, 5+4t ... 20c.) 18 - t² 20d) the sequence 2t - 3, 2t-5, 2t-7, 2t-9 ... 21.

Where can we put parentheses in the following expression to make it equivalent to 7? (20-6) : 2 or 20 - (6:2)

Write and solve an equation to determine how many degrees the temperature TT fell. The temperature at 5 P. M. is 20∘20∘ f. The temperature at 10 P. M. is - 5∘-5∘F

Is dividing by a number the same as multiplying by the opposite of the number? Explain

Find the quotient 1.65:10

Colin drove 45 minutes to the air port. He arrived 90 minutes before his flight departed and then he spent 70 minutes in the air. Once he landed Colin spent 20 minutes gathering his language and the.

What is the numerator for the following rational expression? x/y + 8/y = ?/y

Jeremiah can run 5 miles in 37 minutes. At that rate, how long does it take him to run 1 mile?

Simplify: (-3-10i) + (1+2i) + (-5+6i) a) 3-14i b) - 7-2i c) - 2-8i d) - 9-6i