The Smith family went out for dinner last night and reicved a great service. They decided to leave 20% for their waitress. if the dinner bill totaled $90, how much was the tip?

You need to find what percent of wht number

Number Relationships 4,?, 68

What are two straight lines that cross each other at a right angle? A. Curved B. Parallel C. Broken D. Perpendicular

Subtract: 4x^3 - 6x^2+8x - 9 from 7x^3 - 16x + 18 Also: From the sum of a^2 - 2ab + b^2 and 2a^2 + 2ab + b^2 subtract the sum of a^2 - b^2 and a^2 + ab + 3b^2

What does expand each logarithm mean?

Which is the same as dividing a number by 100? Moving the decimal two places right A. Moving the decimal two places left B. Moving the decimal two places right C. Moving the decimal three places left D. Moving the decimal three places right

1. What is the equivalent temperature for 92.0° F on the Celsius scale? (7 pts)

Angela enjoys swimming and often swim a at a steady pace to burn calories. At this pace, Angela can swim 1,700 meters in 40 minutes. What is Angela's unit rate?

47 is 0.5% of what number

R=2s-6t+5 / 2, solve for s

Kayla won 37 bouncy ball playing hoops at her schools game night then she gave two to each of her friends she only has 7 left how many friends does she have