Which expression is equivalent to the expression given below 2(x-3) + 4x + 3

Plz.yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?