An equilateral triangle forms a semi-regular tessellation with which of the following regular polygons?

A) square and hexagon

B) square and pentagon

C) hexagon and trapezoid

D) hexagon and octagon

How do you solve - 2/3 + 3/5

Abag is filled with green and blue marbles. There are 49 marbles in the bag. If there are 17 more green marbles than blue marbles find the number of green marbles and the number of blue marbles in the bag.

The product of 9 and 4

The coordinates of rombus abcd are a (-4,-2) b (-2,6) c (6,8) and d (4,0) what is the area of the rombus

Name the property demonstrate

180 people filled out a survey about their favorite color. 95 of the respondents were female. 21 males responded that their favorite color is red.

Kristin's three-year old sister is trying to arrange pink and red Starbursts in rows. She has 360 pink Starbursts and 150 red Starbursts.

A plane is flying at 31,348 feet. It needs to rise to 37,000 feet in two stages. In stage 1, it rises 5% of its initial altitude of 31,348 feet. In stage 2, it rises at a rate of 140.3 feet per minute.

8. Which is the probability that two 1-6 number cubes land on an even number? A 0.75 B 0.50 C 0.25 D 0.10

1) Identify the values of a, b, and c for the quadratic function in standard form y=-5x2 + 7x - 4