Why must every polynomial equation with real coefficients of degree 3 have at least one real root?

In triangle QRS the measurement of an angle RSQ is 29.1 and the measure of angle QRS is 80 degrees what is the measurement of sqr

Write 4.239. x10^6 in decimal form

Maria invested $2000 in an account that earns 4.5% interest, compound annually. the formula for compound interest is A (t) = P (1+i) ^t. how much did Maria have in the account after 5 years

The density of iron is 7.8 g/cm^3 An iron beam has a volume of 10,504 cm^3 What is the mass of the iron beam? Enter your answer as a decimal in the box. ⬜️ g

If you wanted to make the graph of y = 8x - 10 less steep, as well as shift the y-intercept of this line down, which equation could you use?

an 18 - foot ladder is keaning against the side of a building forming a right triangle. The angle formed by the ladder by the kadder snf to the ground is 60°.

What is the answer to k/7 + 3 - 2k = - 3

What is the answer for this problem?-4k+2 (5k-6) = - 3k-39

Nolan makes soup. He divides each batch equally into thirds to give away. Each family that he makes soup for gets 1 third of a batch. Nolan needs to make enough soup for 5 families. How much soup does Nolan give away?

Jonathan's new car cost $20,000. After a year, the value of the car is $17,000. If the car depreciates by a fixed factor every year, what will be the value of the car two years after its purchase?