Answer:
In algebra, we begin to see variables or letters that are used to represent numbers. An example of a mathematical expression with a variable is 2x + 3. In the expression 2x + 3, the coefficient of x is number 2, and it means 2 times x plus 3.
Answer:
Polyhedron
Step-by-step explanation:
Polyhedron is a polygon with a 3-D base of a triangular pyramid shape.
Polyhedron also has a lateral face of triangular prism
Answer: D : interquartile range
Step-by-step explanation: I just took the test
She can buy from 0-7 smoothies, but no more.
She will have $12 left on the card if she buys all 7 smoothies but if she buys 8 smoothies she will only have $8 left.