Please help me need to get this done please answer it correctly and please show work please

17) 288

18) $69.30

19) $56.00

20) $135.00

21) $132.00

22) $4,515

23) 6.9%

Step-by-step explanation:

17)(3 × 4) × (6 × 4) = 288

18) 18% + 8% + 100% = 126%.

$55 × 1.6 = $69.3

19) $32 × 175% = $56

20) 100% - 15% - 10% = 75%

$180 × 0.75 = $135

21) $3,300 × 0.04 = $13

22) 2.5% × 3 = 7.5%

$4,200 × 1.075 = $4,515

23) 58 × 1.069 = 62.002

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: