Write this number in standard form 400,000+30,000+800+20+5.
plz don't delete i don't have a scientific

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.

Which points are solutions to the linear inequality y < 0.5x + 2? check all that apply. (–3, –2) (–2, 1) (–1, –2) (–1, 2) (1, –2) (1, 2)

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)