A road sign gives drivers information about traffic on busy highways. One sign shows 15 miles in 20 minutes

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi

Can someone me with the property questions for 12 13 and 14 plz