30 barton needs $190 to pay for a summer camp. he has $70 already and saves $20 a week that he earns mowing his neighbor's yard. use the segment tool to plot a graph representing the amount of money barton has saved from the time he begins saving until he has saved enough for the camp.

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

Can someone answer this question? : )

Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)