Answer:
score = 63
Step-by-step explanation:
1. To write the proportion take the score of the test over the number of points and set it equal to the percent over 100
score 90
----------- = -----------
70 100
Using cross products
100 * score = 90*70
100 score = 6300
Divide by 100
100/100 * score = 6300/100
score = 63
Firstly , we need to draw diagram
we are given
opposite =300
adjacent =750
now, we can use tan formula

now, we can find x

we get

so,
angle of depression is 21.8 degree.....Answer
Answer:
it should be : x²= 15²+8²
x²= 225+64
x²=289
x=√289
x=17
A.) 38.92 the sales tax is $2.97 so 35.95 + 2.97 = 38.92
Where is the graph? do you have a pic or website?