Jack has 35 sports cards. He gives 5 to his brother. Which number sentence can Jack use to find how many cards he has left?
35 x 5 = 175
35 : 5 = 7
35 + 5 = 40
35 – 5 = 30

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.