Alec is doing a test of 50 questions. He gets 2 marks for every question that is correct, but loses 1 mark for every question that is wrong. Alec answers every question and gets 67 marks. How many questions did he answer correctly?

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Iwill give you ! what is the measure of ∠v ?

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with