Can someone me on #2? ? it asks what expression is equal to 8-9+3 on integers, but i don’t get which ones are equal ! so someone plz tell me which ones are equal to 8-9+3? ? (and u can see the problems below them right? just tell me which ones that r equal to 8-9+3 plz! )

The circumference of a circle is 60 pi cm3what is the radius of the circle

You are assembling pieces of an iron gate to complete a fence. the finished gate will look like the one below. in order to assemble the gate it is important to under how the pieces are related. part 1: how are pies 1 and 2 in the archway related? part 2: how are the rectangular sections 5 and 6 in the center of the gate related to each other?

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?