A student scores 88, 73, 81, 75, and 78 on the first five science tests of the year. What is the minimum score the student needs to get on the sixth test in order to have a test average of at least 80?

45

step-by-step explanation:

to find a percentage, add a decimal in front and multiply it by the other number.

.25 times 180= 45

32

step-by-step explanation:

answer: the angel abc is 30°,and the abc is a triangle where the angel bac is 90°

so ac is the half of 24=12ft,and from the pythagorean theorem we find ba

ba=√bc^2-ac^2=√576-144=√432=12√3ft

so bac is 12+12√3=12(1+√3)ft

answer:   2 multiplied by x =24

step-by-step explanation: