How do you write 70,000,000+400,000+10,000+8,000+500 +30+9 in word form

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2

Multiply and simplify. (x - 4) (x^2 – 5x – 6) i will mark brainliest if your answer is right. show how you got the answer. if your answer is correct but does not show how you got the answer you will not be marked brainliest.