In 2014, there were 1223 endangered plant and animal species in a country. There were 235 more endangered plant species than animal species. How many plant species and how many animal species were considered endangered in 2014?

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

Find the power set of each of these sets, where a and b are distinct elements. a) {a} b) {a, b} c) {1, 2, 3, 4} show steps