Tyler is a builder. When he makes mortar, he uses CEMENT, LIME and SAND in the ratio 1:2:8. If he makes 55 kg mortar, find how much of : a) CEMENT b) LIME c) SAND is used Note: Show your all working and steps
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What is the difference between regular convex and concave polygons

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

98 point question what is the record for most points in one