To find the mean, add up all the test scores and divide by the number of tests:
524/10 = 52.4.
Answer: C. OmZWXY + m ZYXZ = 180
Step-by-step explanation:
Answer:

Step-by-step explanation:
The picture shows three isosceles tirangles with the same legs. The base of each triangle is 12 units, 5x-3 units and 17 units.
Since the angles at vertex of each isosceles triangles are 27°, 28° and 29°, then the lengths of the bases satisfy the double inequality
15<5x-3<17
Add 3 to this inequality
15+3<5x-3+3<17+3
18<5x<20
Divide it by 5:

Answer:
1 foot and 5 inches.
Step-by-step explanation:
He jumped 6 ft. 9 inch. 6.9+1.5 = 8.4