Look at the equation below. d=(r1+r2)t
d
=
(
r
1
+
r
2
)
t
Which of the following shows the equation solved correctly for r1?

r1=dt⋅r2
r
1
=
d
t
⋅
r
2

r1=d−tr2
r
1
=
d
−
t
r
2

r1=dt−r2
r
1
=
d
t
−
r
2

r1=d−r2tThe relation shown in th

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Select the quadratic that has root x = 8 and x = -5

Which function can be used to model the monthly profit for x trinkets produced? f(x) = –4(x – 50)(x – 250) f(x) = (x – 50)(x – 250) f(x) = 28(x + 50)(x + 250) f(x) = (x + 50)(x + 250)