PLS HELP ILL GIVE BRAINLIEST NO CAP! Select all the expressions that are equivalent to -36+54−90.

Group of answer choices

-9(4−6−10)

-18(2−3+5)

-6(6+9−15)

18(-2+3−5)

-2(18−27+45)

2(-18+54−90)

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry