Answer:
Step-by-step explanation:
Divide 157 by 8 to see how many groups there are.
157/18=8r13. So you can round up to 9 groups of riders as there is a max of 18 at a time.
Answer:
Step-by-step explanation:
To find the surface area of a regular pyramid use the formula:
S = 1/2 × l × p + b
Surface = 1/2 × lateral height × perimeter of the base + area of the base
Answer:
C. x = 15 * sin 18°
Step-by-step explanation:
sin A = Opposite / Hypotenuse
sin 18° = x / 15
x = 15 * sin 18°
