Simplify: (−7x – 5) – (–9x2 + 8x + 7). Choose the standard form of the answer. A: –16x2 – 15x – 12
B: 9x2 – 15x – 12
C: –9x2 + x – 2
D: 9x2 + 56x – 35

Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.

Question 4 of 102 pointsjuliana had $96, which is eight times as much money as al had. how mucmoney did al have? select the correct solution method below, representingals money with x.

What is 74 round to the nearest ten