I am in need of urgent help. Please just tell me the formula needed and I will do it from there. A contractor needs to build a ramp from the level ground up to a loading door that is 10 feet higher than the ground. By code, the angle of elevation can be no greater than 7°.

a) How long must the ramp be if a 7° angle of elevation is used? Round to the nearest hundredth.

b) How far along the ground from the base of the door should the contractor begin building the ramp? Round to the nearest hundredth.

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Will give brainliest plz hurry lexie surveyed 4 teenagers to find out approximately how many hours, per week, they read for fun, and how many siblings they have. brooke said she reads about 10 h a week for fun, and that she has 5 siblings. celia said she has 1 brother and 1 sister and reads for fun about 3 h each week. henry said he has 2 brothers and reads for fun about 30 min each week. jude said he doesn't read for fun and has 3 brothers and 3 sisters. use this information to complete the data table. express your answers as whole numbers or decimals. name hours of fun number of siblings brooke celia __ henry jude