One month, henry's grandfather gives him a box of 523 baseball cards. each month, starting the second month, henry buys 24 baseball cards to add to this collection. what is the explicit rule for the number of baseball cards henry has in his collection after n months?

How can you decide witch operations to use to slice a two step equation

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?