Explanation

The trigonometric identity is:

Sec²θ - Tan²θ = 1

Explanation

15 divided by -3:

15 ÷ (-3) = -5

Explanation

Blood carries oxygen from the lungs and nutrients from the digestive system to all body cells.

It also removes carbon dioxide and waste products, helping maintain overall body function.

Explanation

Amoeba is a unicellular organism, meaning it consists of only one cell.

It performs all life processes like movement, feeding, and reproduction within that single cell.

Explanation

The word "my" is incorrect because it should be followed by a noun.

Correct form is "mine" — the sentence should read:

"This shirt is yours and that is mine."

Explanation

In inverse proportion, when one quantity increases, the other decreases in the same ratio.

Their product remains constant: x × y = constant.

Explanation

Always means ہر وقت یا ہر موقع پر

Never means کسی وقت نہیں

Explanation

Cost per bag = $10.32 ÷ 8 = $1.29

For 20 bags: $1.29 × 20 = $25.80

Explanation

"Outside the stadium" clearly means the crowd is waiting just beyond or not inside the stadium.

Outside means باہر

Explanation

تفریط کا مطلب ہے: کمی کرنا، حد سے کم ہونا یا کوتاہی۔

افراط کا مطلب ہے: زیادتی کرنا، حد سے بڑھ جانا۔