What is the slope between the points (3 5) and (-2 -4)
A- 9/5
B-1
C-5/9
D- - 5/9

A) 9/5

Step-by-step explanation:

The equation for the slope of a line is

m = y2-y1/x2-x1 (y2 minus y1 divided by x2 minus x1)

so (x1,y1) is equivalent to (3,5) and (x2,y2) is equivalent to (-2,-4)

So -4 - 5/ -2 - 3 = -9/-5 READ THE BOTTOM

now the reason the answer is 9/5 and not -9/5 is because we have TWO NEGATIVES in both equations, so if we reverse it, it becomes (5 - -4/ 3 - -2) meaning the two negatives CROSS EACH OTHER OUT and create a POSITIVE, making the answer 9/5  

3.4 pizzas

step-by-step explanation:

given is a scatter plot showing number of pizzas sold during weeks for different issues of coupon

y represents number of pizzas sold and x number of coupons issued

y is marked verticaly and x horizontally

the trend line is given as

y =3.4x+43

this says that even when no coupon is issued pizzas sold will be 43

and rate of change of pizza sold for 1 unit of coupon = slope = 3.4

i.e. when x increases by 1 unit y increases by 3.4 units

hence for each additional coupon issued 3.4 pizzas more will be sold

2.2°  

step-by-step explanation:

let θ = the angle of elevation.

tanθ =77/2020

tanθ = 0.038 12

      θ = tan⁻¹0.038 12

      θ = 2.2°