Which of the following shows the true solution to the logarithmic equation solved below?

log2 (x) + log2 (x + 7) = 3

log2[x (x+7) ] = 3

* (X + 7) - 23

x2 + 7x-8-0

(x+3) (x-1) = 0

X=-8,1

0

0

X=-8

X-1

x = 1 and x=-8

X = 1 and X = 8

Mara found the length of time of an investment. the principal of the investment was $4,300, the interest rate was 6.2 percent, and the interest was $2,666. mara made an error in her work. what is the error?

Starting today (1 day) Lee will walk his dog Fido every 3rd day and his dog Fifi every 5th day, On which day will Lee first walk both dogs together?

Which measure is always the 50th percentile?

Amy's math notebook weighs 1 2 pound, her science notebook weighs 7 8 pound, and her history notebook weighs 3 4 pound. What are the weights in order from lightest to heaviest?

What is the factored form of 125a^6-64? (25a^2+16) (25a^4 + 20a^2-4) (5a^2-4) (25a^4+20a^2+16) (25a^2-16) (25a^4-20a^2+16) (5a^2-4) (25a^4-20a^2+16)

George, a single taxpayer, earns $80,000 in taxable income and $6,000 in interest from an investment in city of Normal Bonds. Using the U. S. tax rate schedule for year 2019, what is his effective tax rate (round to two decimal places) ?

Write down, in words, the number 67 304

F (x) = - 3x + 20; f (8)

Select the term that best describes the statement. All lines are straight or a triangle has four sides. A.) conjunction B.) disjunction C.) negation D.) conditional

Justine answered 116 questions correctly on a 200-question test. Answer correctly into the boxes to show the amount as a fraction in simplest form, decimal, and percent.