Will mark brainliest harley has enough space for 100 apps on her phone. as of this morning, she used three-fifths of the space. she purchased 3 more apps this afternoon. how many apps does she still have space for?

What is the total surface area of this square pyramid?

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

Answer asap! urgent! will give brainliest!