Which of the following is true of right triangles?
all sides are congruent.
two of the angles are acute.
the sum of the angle measures is 360°.
two of the angles are complementary.

1

step-by-step explanation:

it's the only multiple of both and the least

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40

1010: 3030

is it i think

a

step-by-step explanation:

the answer is a