Given LD = 3x + 1, XL = 4, MD = x + 7, and YM = 3, determine the value of x so that XY || LM. Y L M ​

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Tan198=asin164=? how to solve this? ?

Julius went on a volunteer trip to centralamerica and took medical supplies with him.he packed a bag with 50 pounds of supplies.he brought pieces of equipment that weighed10 pounds each and bottles of medicine thatweighed pound each prepresents thenumber of pieces of equipment he broughtand b represents the number of bottles ofmedicine he brought then the total weight canbe represented by the equation 10p+b 50.the brought 3 pieces of equipment, how manybottles of medicine did he bring?