The answer is -7! hope this helps
Answer: 280 cm
Step-by-step explanation:
The base of each of the congruent triangles ABD and CBD is BD= 28 cm. The height of each is the perpendicular 10cm.
A=(2)(bh/2) works out to A= bh since the 2/2 cancel
So 10cm × 28cm = 280cm²
Answer:
she must 1st save money for her to earn the 7%
Total distance of a typical running track =
.
Let us convert it into impoerper fraction first, we get

Total number of maps in a day = 10 maps.
Number of days of running = 5 days.
Total number of maps of 5 days = 10 × 5 = 50 maps.
Total number of meters in 50 maps =
.
<h2>Therefore,

will sandra run is she meets her challenge</h2>
1. = -3 , -7/2
2. = 2.53
Hope i helped