Ben made a model of a square pyramid he plans to build when he grows up Find surface area of a square pyramid

In the diagram below, dab and dac are adjacent angles. if mdac = 25°, what is mdab in degrees? what is mbac in degrees?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Write an equation in slope intercept form of the line passes through the given point and is parallel to the graph of the given equation (0,0); y=3/8 x+2