The table below gives the average temperature, t, at a depth d, in a borehole in belleterre, quebec.
d, depth (m) t, temp (c∘)
25 5.50
50 5.20
75 5.10
100 5.10
125 5.30
150 5.50
175 5.75
200 6.00
225 6.25
250 6.50
275 6.75
300 7.00
evaluate δt/δd on the following intervals

a) 50≤d≤175 δt/δd =

b) 100≤d≤250 δt/δd =

c) 75≤d≤125 δt/δd =

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.

With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle.what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle.what is the measure of angle a? enter your answer in the box.m∠a= 3.)quadrilateral abcd is inscribed in this circle.what is the measure of angle b? enter your answer in the box.m∠b= °4.)quadrilateral abcd is inscribed in this circle.what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle.what is the measure of angle c? enter your answer in the box.°