a scientists wants to design a test to measure the difference in stopping distance on wet roads vs dry roads. The stopping distance is recorded for 10 cars on dey roads and again on wet roads. the measurements are recorded as the difference in stopping distance wet-dry. what type of hypothesis should the scientist use​

Cumulative examcumulative exam active13time remaining02: 44: 18the graph represents the data cost for monthly internetservice for a cell phone.which function, c(x), represents the monthly cost in dollarsin terms of x, the number of gigabytes used in a month? cell phone internet service(15,5x + 10150,0sx522 < x < 664x115, osx< 25x + 20, 2< x< 650, 65815%,monthly cost (s)20x + 5| 50x,0 < x < 22 < x < 664x( 15x, osx< 2c(x) = 5x + 10, 2< x< 6150x, 65 x5+1234 5 6 7 8 9 10 11 12gigabytes used

Measures of the angle of r, 31 s (x+4) t (3x+9)

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.