Answer: The answer is -30 - 45 k
Step-by-step explanation:
positive number times negative number is negative number "(+)(-) = (-)".

we change the mixed numbers to the improper fractions

Answer:
5 hours
Step-by-step explanation:
1.5 (hours) / 3(cars) = 0.5 hours per car
0.5 x 10 = 5
Answer:
The answer is 26
Step-by-step explanation:
Give a algebraic expression for the number of non overlapping triangles in a polygon that has "n" sides