Aladder 13 feet long is leaning against the wall of a house. the top of the ladder is sliding down the wall at a rate of 2.4 ft/sec. find the rate at which the angle between the ladder and the ground is changing when the top of the ladder is 12 feet above the ground. be sure to draw and label a picture

step-by-step explanation:

|

|

|

|

|

|

|\

| \

| \

| \

| \

| \

| \

| \

| \

| \

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

b

step-by-step explanation: