30 children eat for 20 items for school fund-raiser each and $100 for the score how much money did the school collect​

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.