Is a triangle with 2 angles both measuring 40 degrees acute

What is the least common denominator (LCD) of the rational expressions being added? 2/x + 3/x2

You and your friend are playing a game where you spin a circular spinner with nine numbered sections of equal size. In this game, you win if the spinner lands on 1, 4, or 7. Your friend wins if the spinner lands on 2.5. or 8.

Solve for x under the assumption that x>0. enter your answer in interval notation using grouping symbols. x - 50/x < 5

Which is 729 written as a power? 9^7 3^9 9^3 2^9

How do i do this problem (7 3/8) - (4 5/8)

True or false the number 0 is the multiplicative identity?

What's joint frequency?

How do you solve 235+123 using a number line?

Tanisha has 3 1/4 feet of pink ribbon and 1 3/4 feet of yellow ribbon. How much more pink ribbon does Tanisha have than yellow ribbon? Write your answer in simplest form.

Which of the following equals the difference between the total surface area and base area of any three-dimensional figure? A. Slant height B. Perimeter C. Lateral area D. Altitude