Which relationship in the triangle must be true?

TE

sin (B) = sin (A)

sin (B) = cos (90 - B)

COS (B) = sin (180 - B)

COS (B) = cos (A)

A number is less than or equal to 4

The difference of twice a number k and 8

Multiply (2 - 7i) (9 + 5i). A) 53-53i B) - 17-53i C) 18-35i^2 D) 18-53i-36i^2

If I make 180 dollars a week. How many weeks does it take to reach 7,500 dollars?

I have a denominator of 2. I'm equivalent to 2/4. what fraction am I? Proper or improper

If y=8 when x=3, find y when x=45.

Simplify - (3a+4b) + 5a-4b 2a 8a-8b 2a-8b 2a+8b

Janice is dividing 1.92 divided by 6. Why does she exchange the place value blocks shown for 18 tenths and 12 ones?

ДЗ: 1. В школьной библиотеке 60% всех книг составляют учебники. Сколько всего книг в школьной библиотеке, если учебников 588 экземпляров? А) 1060 Б) 956 В) 1248 Г) 980

A farmer uses 657 acres to plant wheat and sunflowers. The profits will be the greatest if the farmer plants 287 acres more of wheat than of sunflowers. Find how many acres of each the farmer should plant.