The answer is D. 3x^3+4x^2-11x+3
It is 70° because the other triangle has the same angle and it is labeled 70° in the other triangle.
Answer: 70°
Answer:
original price = $30.00
Step-by-step explanation:
note that the original price is 100% , then
1% = $1.50 ÷ 5 = $0.30 , so
100% = 100 × $0.30 = $30.00
Answer: the number must be placed in the box is 9
suppose: the number must be placed in the box is x
have:
5u + 3(4u - 6) = -3u -27 + 20u + x
⇔ 5u + 12u - 18 = -3u - 27 + 20u +x
⇔ 17u + 3u - 20u = -27 + 18 + x
⇔ 0 = x - 9
⇔ x = 9
Step-by-step explanation:
