Which ratio is a unit rate? select all that apply.
a.
2
2
3
sandwiches
2
1
3
apples
b.
58
3
5
miles
1
hour
c.
16
2
3
ounces
2
1
2
bags
d.
$
56
.
10
7
3
4
hours work
e.
1
1
2
cups flour
1
egg
f.
1
glass
18
3
4
fluid ounces

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?