Keira goes shopping at a supermarket. The pie chart below shows information about the money she spent on petrol, clothes, food, and other items. She spends £30 on petrol. In total how much money did she spend?

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625