When using percent increase how can i estamate?

If mAC=178 degrees, and mBC=42 degrees, what is m angle BDC?

An adult elephant eats about 300 pounds of food a day. Write an expression to represent the number of pounds of food a herd of 12 elephants eats in 5days

Slope=3/4 y-intercept=-2

When x = - 1, 3x + 9 equals

The sum of five consecutive even integers is 120, what is the 5th number in the sequence

What is 4 (*+9) = 76 my answe was w0 but im so sure on it

Convert 2/7 into a percent

The perimeter of a triangle is 6x. One side is x+3 and another side is 2x+4. What is the length of the 3rd side?

Solimar and Isaiah go trick-or-treating together. Solimar gets 152 pieces of candy and Isaiah gets 124 pieces of candy. Solimar eats 5 pieces of candy every day, and Isaiah eats 4 pieces of candy every day.

What is the mathematical average of the number of weeks in a year, days in a week, and the number of days in January?