Anna has 15 blue blocks, 18 red blocks, 15 green blocks, and 21 yellow blocks. She has 69 blocks altogether What is the ratio of red to yellow
A) 6 to 7
B) 6 to 23
C) 5 to 7
D) 5 to 6

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle

Math i have no idea how to do a and b

Kristen is wrapping presents for the holidays. she has a box that measures 4 ft. x 2 ft. x 2 ft. how many square feet of wrapping paper does she need to cover the box without overlapping?