Help? ;-; If an item became sentient, and changed it's own price from $18 to $45, what is that percent of change, AND what would be the total price that someone would pay if the sales tax was 5%?
A.150%; $47.25
B.150%, $2.25
C.60%; $47.25
D.60%; $2.25

What is the arc length when θ =pi over 3 and the radius is 5 cm? (5 points) 5 pi over 3 cm 10 pi over 3 cm 16 pi over 3 cm pi over 3 cm

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?