Leah put 21 white marbles 31 black marbles and 7 blue marbles in a bag then her sister added 19 yellow marbles write a number sentence to show the number of marbles in the log

Arectangular exercise mat has a perimeter of 36 feet the length of the mat is twich the width writeand solve an equation to determine the length in feet. of the mat then find the area in square feet of the mart

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

The trigonometric ratios sine and secant are reciprocals of each other