Which of the following shows the true solution to the logarithmic equation solved below?
log2(X)+log2(x+7)= 3
log2[*(X+7)] = 3
x(x+7)=23
x2 +7x-8 = 0
(x+3)(x-1)=0
X=-8,1

What is the perimeter of an equilateral triangle if each side is (x+3)?

Kilgore trout creates a new scale to diagnose depression. however, his scale only assesses one symptom of depression while ignoring others. which of the following is his new scale most likely lacking? a) test-retest reliability b) discriminant validity c) criterion validity d) alternate-forms reliability e) content validity f) none of the above

Given a normal distribution with µ=20 and σ = 4, what is the probability that x> 24 x< 24 x< 24 or x> 24