At the Planetarium, tickets cost $10 for adults and $5.50 for kids under 12. How many total tickets would someone get if they purchased 8 adult tickets and 19 kids
tickets? How many total tickets would someone get if they purchased a adult tickets
and k kids tickets?

Choose the number sentence that shows the identity property of addition. a. 122 = 61 + 61 b. 62 = 1 + 61 c. 61 = 0 + 61

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.

What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?