Jamal walked 7
10
of a mile on Monday. He walked
9
40
of a mile on Tuesday. Jamal estimated how much farther he walked on Monday than on Tuesday as shown below.

Step 1
7
10
is close to
1
2

Step 2
9
40
is close to
1
5

Step 3
1
2
−
1
5
=
3
10
Which statement best explains whether or not
3
10
is a reasonable estimate for the difference?

Lassify the function as linear or quadratic and identify the quadratic, linear, and constant terms. f(x) = (3x + 2)(−6x − 3) linear function; linear term: −21x; constant term: −6 linear function; linear term: −18x2; constant term: −6 quadratic function; quadratic term: 6x2; linear term: 24x; constant term: −6 quadratic function; quadratic term: −18x2; linear term: −21x; constant term: −6

12x + 1 = 25 solve the following equation. then place the correct number in the box provided.

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.