Cho tam giác BDC vuông tại D ,biết BC=13,DB/DC=5/12.
tính tỉ số lượng giác của góc B, góc C

Read the following two statements. then use the law of syllogism to draw a conclusion. if the tv is too loud, then it will give me a headache. if i have a headache, then i will have to rest.

Nine more than four times a number is the same as one less than twice the number. find the number?

For each polynomial, determine the degree and write the polynomial in descending order. a. –4x^2 – 12 + 11x^4 b. 2x^5 + 14 – 3x^4 + 7x + 3x^3