Let r (a, b) e z2 2a2(a - 4) 1)3 10 3(2b 3. (2b give proofs for each of the propositions below a) the relation r is an equivalence relation on the set z b) vx, y, z e z, ({(x, y), (x, z), (y, z) nr r) y+z, 1)

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answer

a,b, and d

explanation

a reflection angle is more than

but less than;

an angle that measures

is a reflex angle.(true)

an angle that measures less than

is acute.(true)

provided we are considering angles greater or equal to zero.

an acute angle lies in the range.

an obtuse angle is less than 180° but more than 90°

an angle that measures 300° is obtuse (false)

an angle that measures 65° is an acute angle.(true)

costs the what? what is the cost of the pants?

step-by-step explanation:

if it is $10, then the price is 14.

take 40% of the cost, and then add the cost.

40% of 10 = 4

4+10 = 14.

answer: -0.5 would be the most likley outcome

step-by-step explanation: