2. Expressions & 3D Geometry

Find the value of $m+9$`m`+9 when $m=3$`m`=3.

Easy

< 1min

Find the value of $9+m$9+`m` when $m=3$`m`=3.

Easy

< 1min

Find the value of $x-2$`x`−2 when $x=8$`x`=8.

Easy

< 1min

Find the value of $8-c$8−`c` when $c=1$`c`=1.

Easy

< 1min

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Write, read, and evaluate expressions in which letters stand for numbers.

Evaluate expressions at specific values for their variables. Include expressions that arise from formulas in real-world problems. Perform arithmetic operations, including those involving whole-number exponents, in the conventional order when there are no parentheses to specify a particular order (order of operations).