Four times the sum of a number and seven is 84. Find the number

What is the solution set of the quadratic inequality x2- 5< 0? o {xl-55x55{x- 155x55){xl -55x5 15){x1 - 15 sx5/5)

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm

My garden is 20 feet by 35 feet. i want to spread mulch 3 inches deep. bags of mulch are 0.33 cubic yards each and cost $10. how much will this project cost me? (show all work)