Answer:
D
Step-by-step explanation:
a perfect square trinomial is

factorized is

so as you can see option A and B can't be, because they have -49y^2 and it has to be plus
so the other options are C and D
in the trinomial a=4 and b=\pm 7
the roots of a^2 and b^2

so it's option d with b=-7

Answer:
161cm2
Step-by-step explanation:
Area: 1/2 x base x height
1/2 x 14 x 23=161
Area is measured in cm2
Hope this helps!
Answer:
Step-by-step explanation:
A = 6² + 4(½(6)(6))
A = 108 in³
Answer:
three consecutive even integers whose sum is 24 are 6, 8 and 10.
{(1,1), (1,2), (1,3), (1,4), (1,5), (1,6), (2,1), (2,2), (2,3), (2,4),
Rus_ich [418]
Answer:
1/9
Step-by-step explanation:
Pairs that sum to 5 are (1,4), (2,3), (3,2), (4,1). There are 4 ways you can get that sum out of 36 possible outcomes. Assuming each outcome is equally likely, the probability of a sum of 5 is ...
p(5) = 4/36 = 1/9