Unit 2, lesson 4: proportional relationships and equations
a certain ceiling is made up of tiles. every square meter of ceiling requires 10.75 tiles. fill in the table
with the missing values.
square meters of ceiling
number of tiles

Which math sentence can be used to determine if the triangle is a right triangle?

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.