If you toss 10 fair coins, in how many ways can you obtain at least two tails ?

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If u where one of the 20 people who was sick and 15 where not sick how much people Is sick (2 marks)

Why heard the announcer on tv say we'll be back in 240 second. It takes lydia 5 minutes to wash the dishes. Does Lydia have enough time to wash dishes during the commercial break?

Orderleadt to greatest - 2.3 - 2 4/5 - 2.6

The price of an adult ticket to the museum is $6.00. The price of student ticket is $4.00. an expression to represent the cost of 4 adult tickets anc 8 student tickets.

Two neon signs are turned on at the same time. Both signs blink as they are turned on. One sign blinks every 9 seconds. The other sign blinks every 15 seconds. In how many seconds will they blink together again? Show Work

Does the equation represent a direct variation? If so, find the constant of variation. 2x - 4y = 0 Question 1 options: yes; k = - 1/2 no yes; k = 1/2 yes; k = - 4

If a bag of pennies weighs 5.1 kilograms. Each penny weighs 2.5grams. About how much penny's are in the bag A. 20 B. 200 C. 2,000 D. 20,000

Jack broke apart 5x216 as 5x200+5x16 to multiply mentally. what strategy did jack use

Kim wrote the number 11 use Mental Math to tell what number has 2 more tens than 11