Let →
a
=

and
→
b
=

.

Find
k
so that
→
a
and
→
b
will be orthogonal (form a 90 degree angle).

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

Which region represents the solution to the given system of inequalities? |-0.5x+y23 | 1.5x+ys-1 5 4 -3 -2 -1 1 2 3 4

Asap! i'm not good math and i'm lost.