this is an easy 100 point question, i give what is 1+1? i have tried for hours and cant figure it out

Can you draw an isosceles triangle with only one 80 degree angle?

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.